<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2024 Workiva-->
<!--r:e435408b-408c-4931-b667-64d8a552d6af,g:6e5154cf-8c6a-4f12-9aaa-f77a3c8189d3-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:roleRef roleURI="http://www.unisys.com/role/CONSOLIDATEDSTATEMENTSOFINCOMELOSSUnaudited" xlink:type="simple" xlink:href="uis-20240930.xsd#CONSOLIDATEDSTATEMENTSOFINCOMELOSSUnaudited"/>
  <link:calculationLink xlink:role="http://www.unisys.com/role/CONSOLIDATEDSTATEMENTSOFINCOMELOSSUnaudited" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_3d4eb967-150d-411d-aec6-6db9b02d5377" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_b7fcc8ab-832e-4ea3-b3f9-522d6706b779" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_3d4eb967-150d-411d-aec6-6db9b02d5377" xlink:to="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_b7fcc8ab-832e-4ea3-b3f9-522d6706b779" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_c7ae39f7-ad5c-4c31-875f-96ca1a6405d6" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProfitLoss"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_3d4eb967-150d-411d-aec6-6db9b02d5377" xlink:to="loc_us-gaap_ProfitLoss_c7ae39f7-ad5c-4c31-875f-96ca1a6405d6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_fa7ea4fd-fac6-4e8b-9cb3-ff025165278d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_21870f5a-09f2-411c-97d5-2e54d51c0cdc" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_Revenues"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_fa7ea4fd-fac6-4e8b-9cb3-ff025165278d" xlink:to="loc_us-gaap_Revenues_21870f5a-09f2-411c-97d5-2e54d51c0cdc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostsAndExpenses_b1586293-fc88-4dbc-aa12-a52042b80ebf" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CostsAndExpenses"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_fa7ea4fd-fac6-4e8b-9cb3-ff025165278d" xlink:to="loc_us-gaap_CostsAndExpenses_b1586293-fc88-4dbc-aa12-a52042b80ebf" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_4b9b9385-5b49-4973-9435-f414ecde979d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProfitLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_f0ead6d8-3820-4a5d-9d5b-201838d1a79d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ProfitLoss_4b9b9385-5b49-4973-9435-f414ecde979d" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_f0ead6d8-3820-4a5d-9d5b-201838d1a79d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_e257d8fd-7f17-4121-bf84-5e89c7671143" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ProfitLoss_4b9b9385-5b49-4973-9435-f414ecde979d" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_e257d8fd-7f17-4121-bf84-5e89c7671143" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostsAndExpenses_b9a24777-38bb-4bd8-857a-aa55eed30f4f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CostsAndExpenses"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfRevenue_d755a9b4-4251-46e3-8160-d91417323a27" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CostOfRevenue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_b9a24777-38bb-4bd8-857a-aa55eed30f4f" xlink:to="loc_us-gaap_CostOfRevenue_d755a9b4-4251-46e3-8160-d91417323a27" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpense_39214373-1279-4488-8b64-01e8b07324b8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ResearchAndDevelopmentExpense"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_b9a24777-38bb-4bd8-857a-aa55eed30f4f" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpense_39214373-1279-4488-8b64-01e8b07324b8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_41d219c2-45f6-44ab-8f69-2173537dad92" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SellingGeneralAndAdministrativeExpense"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_b9a24777-38bb-4bd8-857a-aa55eed30f4f" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpense_41d219c2-45f6-44ab-8f69-2173537dad92" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillImpairmentLoss_d6781d28-8a2a-4563-b077-b36abf7dc8f0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GoodwillImpairmentLoss"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_b9a24777-38bb-4bd8-857a-aa55eed30f4f" xlink:to="loc_us-gaap_GoodwillImpairmentLoss_d6781d28-8a2a-4563-b077-b36abf7dc8f0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_8ee399bd-7fa4-43ec-bc34-f012b4c4ddbf" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_a5e0147f-01e0-4cc1-98ac-dd2a3ad6e788" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_8ee399bd-7fa4-43ec-bc34-f012b4c4ddbf" xlink:to="loc_us-gaap_OperatingIncomeLoss_a5e0147f-01e0-4cc1-98ac-dd2a3ad6e788" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseNonoperating_64372ba4-0602-4587-9d95-e272345d7659" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InterestExpenseNonoperating"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_8ee399bd-7fa4-43ec-bc34-f012b4c4ddbf" xlink:to="loc_us-gaap_InterestExpenseNonoperating_64372ba4-0602-4587-9d95-e272345d7659" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_ae968628-d36c-4d9c-98c6-da3395433d9e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherNonoperatingIncomeExpense"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_8ee399bd-7fa4-43ec-bc34-f012b4c4ddbf" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_ae968628-d36c-4d9c-98c6-da3395433d9e" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.unisys.com/role/CONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOMELOSSUnaudited" xlink:type="simple" xlink:href="uis-20240930.xsd#CONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOMELOSSUnaudited"/>
  <link:calculationLink xlink:role="http://www.unisys.com/role/CONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOMELOSSUnaudited" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_52cf8bf0-b6cb-4330-83aa-4233127ed66a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_bde3d2d6-9661-400d-8e06-f07e622dfa8d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_52cf8bf0-b6cb-4330-83aa-4233127ed66a" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_bde3d2d6-9661-400d-8e06-f07e622dfa8d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax_eaacf6e4-bce1-4dd9-bf9f-2024ad53ddf8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_52cf8bf0-b6cb-4330-83aa-4233127ed66a" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax_eaacf6e4-bce1-4dd9-bf9f-2024ad53ddf8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_b56fd461-74af-4aa0-a3ae-04d499ec9f9e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ComprehensiveIncomeNetOfTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_0ac95758-d498-43b2-b4a9-5fbea42afd1d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_b56fd461-74af-4aa0-a3ae-04d499ec9f9e" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_0ac95758-d498-43b2-b4a9-5fbea42afd1d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_0216e7e5-2d3b-4ef9-a63e-aea5e29b0fdd" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_b56fd461-74af-4aa0-a3ae-04d499ec9f9e" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_0216e7e5-2d3b-4ef9-a63e-aea5e29b0fdd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_5faf108b-dfbf-422f-bded-4eda30d3b528" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_7204c1f7-6aec-468f-9868-6a2ddfd48617" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProfitLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_5faf108b-dfbf-422f-bded-4eda30d3b528" xlink:to="loc_us-gaap_ProfitLoss_7204c1f7-6aec-468f-9868-6a2ddfd48617" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_a105ffe9-ed09-47e7-8ec0-9f78c00737a8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_5faf108b-dfbf-422f-bded-4eda30d3b528" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_a105ffe9-ed09-47e7-8ec0-9f78c00737a8" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.unisys.com/role/CONSOLIDATEDBALANCESHEETSUnaudited" xlink:type="simple" xlink:href="uis-20240930.xsd#CONSOLIDATEDBALANCESHEETSUnaudited"/>
  <link:calculationLink xlink:role="http://www.unisys.com/role/CONSOLIDATEDBALANCESHEETSUnaudited" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_2219ca86-771e-4e12-bc2b-dd1437b183b5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_27796295-b488-47a8-ab3f-ffb2c0387b0f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_2219ca86-771e-4e12-bc2b-dd1437b183b5" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_27796295-b488-47a8-ab3f-ffb2c0387b0f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableCurrent_b4770790-6f5d-44b3-8de0-894f9e575768" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccountsPayableCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_2219ca86-771e-4e12-bc2b-dd1437b183b5" xlink:to="loc_us-gaap_AccountsPayableCurrent_b4770790-6f5d-44b3-8de0-894f9e575768" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityCurrent_62531c9a-237b-4dee-9b53-aa149c40996d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ContractWithCustomerLiabilityCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_2219ca86-771e-4e12-bc2b-dd1437b183b5" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityCurrent_62531c9a-237b-4dee-9b53-aa149c40996d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesCurrent_7a2f21f3-0c12-45eb-945f-ec9106eb1fe1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherLiabilitiesCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_2219ca86-771e-4e12-bc2b-dd1437b183b5" xlink:to="loc_us-gaap_OtherLiabilitiesCurrent_7a2f21f3-0c12-45eb-945f-ec9106eb1fe1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_3e94e00f-c1b7-4c5c-85bf-75c08fd5e969" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LiabilitiesAndStockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_18751132-79b8-41f8-ac96-758dc0d823ea" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_3e94e00f-c1b7-4c5c-85bf-75c08fd5e969" xlink:to="loc_us-gaap_LiabilitiesCurrent_18751132-79b8-41f8-ac96-758dc0d823ea" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_354e79b4-720b-41c6-b166-f053242f4206" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligations"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_3e94e00f-c1b7-4c5c-85bf-75c08fd5e969" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_354e79b4-720b-41c6-b166-f053242f4206" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent_7c94b9a5-f51b-417f-9053-2599249469ab" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_3e94e00f-c1b7-4c5c-85bf-75c08fd5e969" xlink:to="loc_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent_7c94b9a5-f51b-417f-9053-2599249469ab" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_20cd3203-eed0-4469-b916-7efa735f78c2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_3e94e00f-c1b7-4c5c-85bf-75c08fd5e969" xlink:to="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_20cd3203-eed0-4469-b916-7efa735f78c2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityNoncurrent_e379cc2b-8753-429c-ba33-77f25dbbe4eb" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ContractWithCustomerLiabilityNoncurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_3e94e00f-c1b7-4c5c-85bf-75c08fd5e969" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityNoncurrent_e379cc2b-8753-429c-ba33-77f25dbbe4eb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_02571ad6-da1c-4feb-8c31-590d6be05b67" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherLiabilitiesNoncurrent"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_3e94e00f-c1b7-4c5c-85bf-75c08fd5e969" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_02571ad6-da1c-4feb-8c31-590d6be05b67" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingencies_cbc1351c-3f2d-407c-a2af-41c55e458842" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommitmentsAndContingencies"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_3e94e00f-c1b7-4c5c-85bf-75c08fd5e969" xlink:to="loc_us-gaap_CommitmentsAndContingencies_cbc1351c-3f2d-407c-a2af-41c55e458842" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_c61ef186-7c54-4f30-b4fd-e847c4c32af1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_3e94e00f-c1b7-4c5c-85bf-75c08fd5e969" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_c61ef186-7c54-4f30-b4fd-e847c4c32af1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_15ae1beb-0baa-47f3-b4b5-0314dead05cb" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_Assets"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_5d6b6ccc-3106-4bf7-abf1-3783fb19baff" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetsCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_15ae1beb-0baa-47f3-b4b5-0314dead05cb" xlink:to="loc_us-gaap_AssetsCurrent_5d6b6ccc-3106-4bf7-abf1-3783fb19baff" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_9e8731ce-24d7-41fa-87a1-adc90bd489b2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentNet"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_15ae1beb-0baa-47f3-b4b5-0314dead05cb" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_9e8731ce-24d7-41fa-87a1-adc90bd489b2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_uis_OutsourcingAssetsNet_10717110-846a-4ffc-afdf-559590abadac" xlink:href="uis-20240930.xsd#uis_OutsourcingAssetsNet"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_15ae1beb-0baa-47f3-b4b5-0314dead05cb" xlink:to="loc_uis_OutsourcingAssetsNet_10717110-846a-4ffc-afdf-559590abadac" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CapitalizedComputerSoftwareNet_b7e4726f-e445-43d3-aa76-f2bc6714c246" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CapitalizedComputerSoftwareNet"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_15ae1beb-0baa-47f3-b4b5-0314dead05cb" xlink:to="loc_us-gaap_CapitalizedComputerSoftwareNet_b7e4726f-e445-43d3-aa76-f2bc6714c246" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAsset_5d1e14b7-3c48-49ad-9244-0b0ccafc871d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseRightOfUseAsset"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_15ae1beb-0baa-47f3-b4b5-0314dead05cb" xlink:to="loc_us-gaap_OperatingLeaseRightOfUseAsset_5d1e14b7-3c48-49ad-9244-0b0ccafc871d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent_aa013e3b-d267-41f3-9d6c-102789a31638" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_15ae1beb-0baa-47f3-b4b5-0314dead05cb" xlink:to="loc_us-gaap_DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent_aa013e3b-d267-41f3-9d6c-102789a31638" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxAssetsNet_184fc80e-d4c6-44de-af1f-f088a8996ea7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredIncomeTaxAssetsNet"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_15ae1beb-0baa-47f3-b4b5-0314dead05cb" xlink:to="loc_us-gaap_DeferredIncomeTaxAssetsNet_184fc80e-d4c6-44de-af1f-f088a8996ea7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_ddbe0c4e-23c1-4528-b233-3286f522af4e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_Goodwill"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_15ae1beb-0baa-47f3-b4b5-0314dead05cb" xlink:to="loc_us-gaap_Goodwill_ddbe0c4e-23c1-4528-b233-3286f522af4e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_402f48d5-d56f-4355-9e28-622febee7c09" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill"/>
    <link:calculationArc order="9" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_15ae1beb-0baa-47f3-b4b5-0314dead05cb" xlink:to="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_402f48d5-d56f-4355-9e28-622febee7c09" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashNoncurrent_ab0fc9ba-aeed-41a2-ac5b-46c1a4f788aa" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RestrictedCashNoncurrent"/>
    <link:calculationArc order="10" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_15ae1beb-0baa-47f3-b4b5-0314dead05cb" xlink:to="loc_us-gaap_RestrictedCashNoncurrent_ab0fc9ba-aeed-41a2-ac5b-46c1a4f788aa" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_3d7ec556-9db1-40e7-9197-4c10a2f4f0b3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherAssetsNoncurrent"/>
    <link:calculationArc order="11" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_15ae1beb-0baa-47f3-b4b5-0314dead05cb" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_3d7ec556-9db1-40e7-9197-4c10a2f4f0b3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsHeldForSaleNotPartOfDisposalGroup_a3cf8a6c-2801-4664-8fe7-9a4a99cd9b83" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetsHeldForSaleNotPartOfDisposalGroup"/>
    <link:calculationArc order="12" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_15ae1beb-0baa-47f3-b4b5-0314dead05cb" xlink:to="loc_us-gaap_AssetsHeldForSaleNotPartOfDisposalGroup_a3cf8a6c-2801-4664-8fe7-9a4a99cd9b83" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_28fb0c0a-0a21-4dfc-90e9-19e5d989c13a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetsCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_8fcea137-6e8e-443d-843e-2dc70435fc51" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_28fb0c0a-0a21-4dfc-90e9-19e5d989c13a" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_8fcea137-6e8e-443d-843e-2dc70435fc51" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsNotesAndLoansReceivableNetCurrent_cc0e56ba-d10b-4255-bfbc-d8b3e3ea1fd8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccountsNotesAndLoansReceivableNetCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_28fb0c0a-0a21-4dfc-90e9-19e5d989c13a" xlink:to="loc_us-gaap_AccountsNotesAndLoansReceivableNetCurrent_cc0e56ba-d10b-4255-bfbc-d8b3e3ea1fd8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerAssetNetCurrent_c2bfa885-1e31-48d7-b5bc-b17105a11cdc" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ContractWithCustomerAssetNetCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_28fb0c0a-0a21-4dfc-90e9-19e5d989c13a" xlink:to="loc_us-gaap_ContractWithCustomerAssetNetCurrent_c2bfa885-1e31-48d7-b5bc-b17105a11cdc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryNet_4e0f25cd-dfbc-40c1-ad52-cf64694242f4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InventoryNet"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_28fb0c0a-0a21-4dfc-90e9-19e5d989c13a" xlink:to="loc_us-gaap_InventoryNet_4e0f25cd-dfbc-40c1-ad52-cf64694242f4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_3975b7b7-bf18-4b97-a3cc-3c8ed367fcc0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PrepaidExpenseAndOtherAssetsCurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_28fb0c0a-0a21-4dfc-90e9-19e5d989c13a" xlink:to="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_3975b7b7-bf18-4b97-a3cc-3c8ed367fcc0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_31a6a340-71e6-4eb2-8354-d0ab1fbfd193" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentGross_1a5cac83-ac2b-4fe2-8b8f-b7389071cffa" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentGross"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentNet_31a6a340-71e6-4eb2-8354-d0ab1fbfd193" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentGross_1a5cac83-ac2b-4fe2-8b8f-b7389071cffa" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_d4674109-178f-48a2-bbba-3abfbac85547" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentNet_31a6a340-71e6-4eb2-8354-d0ab1fbfd193" xlink:to="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_d4674109-178f-48a2-bbba-3abfbac85547" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_3e0e5216-5020-482c-af03-eeffc0f2d368" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_54956c84-dcee-4368-857d-1c65a78f6bec" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockholdersEquity"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_3e0e5216-5020-482c-af03-eeffc0f2d368" xlink:to="loc_us-gaap_StockholdersEquity_54956c84-dcee-4368-857d-1c65a78f6bec" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterest_e8863c65-493b-49cd-ba2d-35b7afe3194a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_MinorityInterest"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_3e0e5216-5020-482c-af03-eeffc0f2d368" xlink:to="loc_us-gaap_MinorityInterest_e8863c65-493b-49cd-ba2d-35b7afe3194a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_6b0dc88d-c0dc-4a51-8564-70437d715ad4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_e4f6b7e3-172d-4977-8582-31f160d9e7db" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RetainedEarningsAccumulatedDeficit"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_6b0dc88d-c0dc-4a51-8564-70437d715ad4" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_e4f6b7e3-172d-4977-8582-31f160d9e7db" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockValue_f32a6071-c697-4c76-8a99-1fbc413954bf" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonStockValue"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_6b0dc88d-c0dc-4a51-8564-70437d715ad4" xlink:to="loc_us-gaap_CommonStockValue_f32a6071-c697-4c76-8a99-1fbc413954bf" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_7291a67e-59c8-4d20-abb7-a02d756c0e32" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_6b0dc88d-c0dc-4a51-8564-70437d715ad4" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_7291a67e-59c8-4d20-abb7-a02d756c0e32" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapitalCommonStock_e0e682d6-1e24-4db2-8485-9f46c7857779" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AdditionalPaidInCapitalCommonStock"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_6b0dc88d-c0dc-4a51-8564-70437d715ad4" xlink:to="loc_us-gaap_AdditionalPaidInCapitalCommonStock_e0e682d6-1e24-4db2-8485-9f46c7857779" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockCommonValue_a66ce5f0-5ec8-4c03-8551-dfc2f624737f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_TreasuryStockCommonValue"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_6b0dc88d-c0dc-4a51-8564-70437d715ad4" xlink:to="loc_us-gaap_TreasuryStockCommonValue_a66ce5f0-5ec8-4c03-8551-dfc2f624737f" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.unisys.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited" xlink:type="simple" xlink:href="uis-20240930.xsd#CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited"/>
  <link:calculationLink xlink:role="http://www.unisys.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_d164d7a2-ecb9-487e-aefa-c5798d0b56d1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_9cb2bb1f-176e-4852-be61-e0eb5153e103" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProceedsFromPaymentsForOtherFinancingActivities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_d164d7a2-ecb9-487e-aefa-c5798d0b56d1" xlink:to="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_9cb2bb1f-176e-4852-be61-e0eb5153e103" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfLongTermDebt_ecddf54d-3bd7-48a6-9e13-9b465d4b0a9f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RepaymentsOfLongTermDebt"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_d164d7a2-ecb9-487e-aefa-c5798d0b56d1" xlink:to="loc_us-gaap_RepaymentsOfLongTermDebt_ecddf54d-3bd7-48a6-9e13-9b465d4b0a9f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_3ec125d5-2579-40d0-9627-6b8affd25e88" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_5905606b-6c9f-409f-a17c-c7db34360405" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProfitLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_3ec125d5-2579-40d0-9627-6b8affd25e88" xlink:to="loc_us-gaap_ProfitLoss_5905606b-6c9f-409f-a17c-c7db34360405" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfIntangibleAssets_e40386c1-100d-42e3-a54c-fd0f569188f9" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AmortizationOfIntangibleAssets"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_3ec125d5-2579-40d0-9627-6b8affd25e88" xlink:to="loc_us-gaap_AmortizationOfIntangibleAssets_e40386c1-100d-42e3-a54c-fd0f569188f9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNoncashIncomeExpense_f2db4d7a-c87f-4b00-b135-519e4e64b619" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherNoncashIncomeExpense"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_3ec125d5-2579-40d0-9627-6b8affd25e88" xlink:to="loc_us-gaap_OtherNoncashIncomeExpense_f2db4d7a-c87f-4b00-b135-519e4e64b619" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingAssets_cd7795c0-574a-450a-be1e-60855499b71b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncreaseDecreaseInOtherOperatingAssets"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_3ec125d5-2579-40d0-9627-6b8affd25e88" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherOperatingAssets_cd7795c0-574a-450a-be1e-60855499b71b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_067c8efb-5ae2-4ca9-841c-42e6c83d2e30" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncreaseDecreaseInOtherOperatingLiabilities"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_3ec125d5-2579-40d0-9627-6b8affd25e88" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_067c8efb-5ae2-4ca9-841c-42e6c83d2e30" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CapitalizedComputerSoftwareAmortization1_377f62a0-7566-4a7d-aa38-925a01008ab5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CapitalizedComputerSoftwareAmortization1"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_3ec125d5-2579-40d0-9627-6b8affd25e88" xlink:to="loc_us-gaap_CapitalizedComputerSoftwareAmortization1_377f62a0-7566-4a7d-aa38-925a01008ab5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PensionAndOtherPostretirementBenefitContributions_944a7fc8-ccc9-4c86-a049-71439ebaf1bb" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PensionAndOtherPostretirementBenefitContributions"/>
    <link:calculationArc order="7" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_3ec125d5-2579-40d0-9627-6b8affd25e88" xlink:to="loc_us-gaap_PensionAndOtherPostretirementBenefitContributions_944a7fc8-ccc9-4c86-a049-71439ebaf1bb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_9ba4603e-67b7-4526-9a43-74e7ccb716bd" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_3ec125d5-2579-40d0-9627-6b8affd25e88" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_9ba4603e-67b7-4526-9a43-74e7ccb716bd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaidInKindInterest_9c8eb697-48ed-4eec-a3a9-583d7b80189f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaidInKindInterest"/>
    <link:calculationArc order="9" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_3ec125d5-2579-40d0-9627-6b8affd25e88" xlink:to="loc_us-gaap_PaidInKindInterest_9c8eb697-48ed-4eec-a3a9-583d7b80189f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_uis_DepreciationAndAmortizationOfOutsourcingAssets_f2b3e5cd-6002-4c79-a27a-63773a0c72f7" xlink:href="uis-20240930.xsd#uis_DepreciationAndAmortizationOfOutsourcingAssets"/>
    <link:calculationArc order="10" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_3ec125d5-2579-40d0-9627-6b8affd25e88" xlink:to="loc_uis_DepreciationAndAmortizationOfOutsourcingAssets_f2b3e5cd-6002-4c79-a27a-63773a0c72f7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensation_4f153401-5af6-448d-a237-dec29cea476c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensation"/>
    <link:calculationArc order="11" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_3ec125d5-2579-40d0-9627-6b8affd25e88" xlink:to="loc_us-gaap_ShareBasedCompensation_4f153401-5af6-448d-a237-dec29cea476c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PensionAndOtherPostretirementBenefitsExpenseReversalOfExpenseNoncash_6eb5abd9-0ef5-41ec-b217-d5a51c4b0147" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PensionAndOtherPostretirementBenefitsExpenseReversalOfExpenseNoncash"/>
    <link:calculationArc order="12" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_3ec125d5-2579-40d0-9627-6b8affd25e88" xlink:to="loc_us-gaap_PensionAndOtherPostretirementBenefitsExpenseReversalOfExpenseNoncash_6eb5abd9-0ef5-41ec-b217-d5a51c4b0147" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_62ea3306-628b-4577-bf30-07de923dc921" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DepreciationDepletionAndAmortization"/>
    <link:calculationArc order="13" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_3ec125d5-2579-40d0-9627-6b8affd25e88" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_62ea3306-628b-4577-bf30-07de923dc921" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_d79711af-d107-42b6-932a-21ba2e9cbb4b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="14" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_3ec125d5-2579-40d0-9627-6b8affd25e88" xlink:to="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_d79711af-d107-42b6-932a-21ba2e9cbb4b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_uis_IncreaseDecreaseInReceivablesAndContractWithCustomerAsset_8c21bb60-df2a-4fd5-9eea-7787d9cf5240" xlink:href="uis-20240930.xsd#uis_IncreaseDecreaseInReceivablesAndContractWithCustomerAsset"/>
    <link:calculationArc order="15" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_3ec125d5-2579-40d0-9627-6b8affd25e88" xlink:to="loc_uis_IncreaseDecreaseInReceivablesAndContractWithCustomerAsset_8c21bb60-df2a-4fd5-9eea-7787d9cf5240" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInInventories_bf1bd6aa-0a2b-40d8-a34d-c69542b908e0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncreaseDecreaseInInventories"/>
    <link:calculationArc order="16" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_3ec125d5-2579-40d0-9627-6b8affd25e88" xlink:to="loc_us-gaap_IncreaseDecreaseInInventories_bf1bd6aa-0a2b-40d8-a34d-c69542b908e0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignCurrencyTransactionGainLossUnrealized_522abfcd-0fe7-4a7c-850b-cfb3303c15f0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ForeignCurrencyTransactionGainLossUnrealized"/>
    <link:calculationArc order="17" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_3ec125d5-2579-40d0-9627-6b8affd25e88" xlink:to="loc_us-gaap_ForeignCurrencyTransactionGainLossUnrealized_522abfcd-0fe7-4a7c-850b-cfb3303c15f0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnSaleOfPropertyPlantEquipment_957c95d1-a6d8-42f9-bfa7-9fc5f9b58748" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GainLossOnSaleOfPropertyPlantEquipment"/>
    <link:calculationArc order="18" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_3ec125d5-2579-40d0-9627-6b8affd25e88" xlink:to="loc_us-gaap_GainLossOnSaleOfPropertyPlantEquipment_957c95d1-a6d8-42f9-bfa7-9fc5f9b58748" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillImpairmentLoss_2900ee58-87b5-42a4-9259-10fc43b59cb6" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GoodwillImpairmentLoss"/>
    <link:calculationArc order="19" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_3ec125d5-2579-40d0-9627-6b8affd25e88" xlink:to="loc_us-gaap_GoodwillImpairmentLoss_2900ee58-87b5-42a4-9259-10fc43b59cb6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_1d036e61-d001-4ea9-af9a-8448fc460ad5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_7e307c1b-1be1-4420-ad47-d9549552e348" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_1d036e61-d001-4ea9-af9a-8448fc460ad5" xlink:to="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_7e307c1b-1be1-4420-ad47-d9549552e348" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForDerivativeInstrumentInvestingActivities_61cab441-7ff0-4cc7-8518-ab7323c673c7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsForDerivativeInstrumentInvestingActivities"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_1d036e61-d001-4ea9-af9a-8448fc460ad5" xlink:to="loc_us-gaap_PaymentsForDerivativeInstrumentInvestingActivities_61cab441-7ff0-4cc7-8518-ab7323c673c7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromDerivativeInstrumentInvestingActivities_994084f3-e289-4d6f-a929-db037cb36299" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProceedsFromDerivativeInstrumentInvestingActivities"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_1d036e61-d001-4ea9-af9a-8448fc460ad5" xlink:to="loc_us-gaap_ProceedsFromDerivativeInstrumentInvestingActivities_994084f3-e289-4d6f-a929-db037cb36299" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_uis_CapitalAdditionsOfOutsourcingAssets_04026f01-9674-43df-92cb-d8bc16639754" xlink:href="uis-20240930.xsd#uis_CapitalAdditionsOfOutsourcingAssets"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_1d036e61-d001-4ea9-af9a-8448fc460ad5" xlink:to="loc_uis_CapitalAdditionsOfOutsourcingAssets_04026f01-9674-43df-92cb-d8bc16639754" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireIntangibleAssets_4c272721-1378-45c7-9bf5-1a99cdd82833" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsToAcquireIntangibleAssets"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_1d036e61-d001-4ea9-af9a-8448fc460ad5" xlink:to="loc_us-gaap_PaymentsToAcquireIntangibleAssets_4c272721-1378-45c7-9bf5-1a99cdd82833" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_f1d6b26a-f8f6-46f1-ab25-a20d8f3364d0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsForProceedsFromOtherInvestingActivities"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_1d036e61-d001-4ea9-af9a-8448fc460ad5" xlink:to="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_f1d6b26a-f8f6-46f1-ab25-a20d8f3364d0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_b2f186a5-ad76-4a6b-9898-53069c312407" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_8a091a82-c605-4b50-aef8-133c0f7607c7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_b2f186a5-ad76-4a6b-9898-53069c312407" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_8a091a82-c605-4b50-aef8-133c0f7607c7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_d85e9488-0e3c-4c86-8095-6c90a3b32a40" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_b2f186a5-ad76-4a6b-9898-53069c312407" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_d85e9488-0e3c-4c86-8095-6c90a3b32a40" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_0a02761f-b127-44cd-b4db-672a995d3b4b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_b2f186a5-ad76-4a6b-9898-53069c312407" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_0a02761f-b127-44cd-b4db-672a995d3b4b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_88008a78-b295-48b1-bdfa-2ca9b627622e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_b2f186a5-ad76-4a6b-9898-53069c312407" xlink:to="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_88008a78-b295-48b1-bdfa-2ca9b627622e" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.unisys.com/role/PensionandPostretirementBenefitsComponentsofNetPeriodicBenefitExpenseIncomeDetails" xlink:type="simple" xlink:href="uis-20240930.xsd#PensionandPostretirementBenefitsComponentsofNetPeriodicBenefitExpenseIncomeDetails"/>
  <link:calculationLink xlink:role="http://www.unisys.com/role/PensionandPostretirementBenefitsComponentsofNetPeriodicBenefitExpenseIncomeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_b3f08146-dc07-432b-85cb-c3a54bff510a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanServiceCost_3c1b69b9-73b7-4262-af43-194fcb2ef063" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DefinedBenefitPlanServiceCost"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_b3f08146-dc07-432b-85cb-c3a54bff510a" xlink:to="loc_us-gaap_DefinedBenefitPlanServiceCost_3c1b69b9-73b7-4262-af43-194fcb2ef063" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_d8c702f0-a861-4595-93c2-9c38f8cb5fc8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_b3f08146-dc07-432b-85cb-c3a54bff510a" xlink:to="loc_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_d8c702f0-a861-4595-93c2-9c38f8cb5fc8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanInterestCost_e79b4887-e427-490e-aeb4-6f5df40eb7ea" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DefinedBenefitPlanInterestCost"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_b3f08146-dc07-432b-85cb-c3a54bff510a" xlink:to="loc_us-gaap_DefinedBenefitPlanInterestCost_e79b4887-e427-490e-aeb4-6f5df40eb7ea" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_65fe2240-7a8e-459f-885d-314cf11f819b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_b3f08146-dc07-432b-85cb-c3a54bff510a" xlink:to="loc_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_65fe2240-7a8e-459f-885d-314cf11f819b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1_e305cd41-7048-4eb6-ad40-d26f057267bb" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_b3f08146-dc07-432b-85cb-c3a54bff510a" xlink:to="loc_us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1_e305cd41-7048-4eb6-ad40-d26f057267bb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses_a4ad3f81-7e95-4000-943e-85ec2ea64101" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_b3f08146-dc07-432b-85cb-c3a54bff510a" xlink:to="loc_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses_a4ad3f81-7e95-4000-943e-85ec2ea64101" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.unisys.com/role/OtherexpensenetDetails" xlink:type="simple" xlink:href="uis-20240930.xsd#OtherexpensenetDetails"/>
  <link:calculationLink xlink:role="http://www.unisys.com/role/OtherexpensenetDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_302ef655-fbd4-4839-8017-651516414790" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherNonoperatingIncomeExpense"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingGainsLosses_0672f9ef-7ccc-4a61-b999-e14ef3ceffdf" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherNonoperatingGainsLosses"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherNonoperatingIncomeExpense_302ef655-fbd4-4839-8017-651516414790" xlink:to="loc_us-gaap_OtherNonoperatingGainsLosses_0672f9ef-7ccc-4a61-b999-e14ef3ceffdf" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherPostretirementBenefitExpense_009a6bab-fe69-408a-aa45-c3b713580ab1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherPostretirementBenefitExpense"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherNonoperatingIncomeExpense_302ef655-fbd4-4839-8017-651516414790" xlink:to="loc_us-gaap_OtherPostretirementBenefitExpense_009a6bab-fe69-408a-aa45-c3b713580ab1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_262067ab-b501-4e34-b8b4-cb0cf27fb46c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ForeignCurrencyTransactionGainLossBeforeTax"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherNonoperatingIncomeExpense_302ef655-fbd4-4839-8017-651516414790" xlink:to="loc_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_262067ab-b501-4e34-b8b4-cb0cf27fb46c" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.unisys.com/role/LossPerShareDetails" xlink:type="simple" xlink:href="uis-20240930.xsd#LossPerShareDetails"/>
  <link:calculationLink xlink:role="http://www.unisys.com/role/LossPerShareDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_3f3585dd-6de4-4764-803c-d99ef1b9095e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_43026e29-e868-47ab-8da6-1231c272d647" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_3f3585dd-6de4-4764-803c-d99ef1b9095e" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_43026e29-e868-47ab-8da6-1231c272d647" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_73328817-de55-4f92-adaf-5a711bd9f6a3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_3f3585dd-6de4-4764-803c-d99ef1b9095e" xlink:to="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_73328817-de55-4f92-adaf-5a711bd9f6a3" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.unisys.com/role/FinancialInstrumentsandFairValueMeasurementsFairValueofForeignExchangeForwardContractsbyBalanceSheetLocationDetails" xlink:type="simple" xlink:href="uis-20240930.xsd#FinancialInstrumentsandFairValueMeasurementsFairValueofForeignExchangeForwardContractsbyBalanceSheetLocationDetails"/>
  <link:calculationLink xlink:role="http://www.unisys.com/role/FinancialInstrumentsandFairValueMeasurementsFairValueofForeignExchangeForwardContractsbyBalanceSheetLocationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssetsLiabilitiesAtFairValueNet_d83ed41b-6c4b-423f-83b9-aff3f279731e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DerivativeAssetsLiabilitiesAtFairValueNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssets_b2e62245-9509-4791-aac6-53f24dd3db68" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DerivativeAssets"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DerivativeAssetsLiabilitiesAtFairValueNet_d83ed41b-6c4b-423f-83b9-aff3f279731e" xlink:to="loc_us-gaap_DerivativeAssets_b2e62245-9509-4791-aac6-53f24dd3db68" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilities_68e37f5e-dba3-44bb-b24f-cbebe2f84fc5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DerivativeLiabilities"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DerivativeAssetsLiabilitiesAtFairValueNet_d83ed41b-6c4b-423f-83b9-aff3f279731e" xlink:to="loc_us-gaap_DerivativeLiabilities_68e37f5e-dba3-44bb-b24f-cbebe2f84fc5" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.unisys.com/role/GoodwillandIntangibleAssetsScheduleofIntangibleAssetsNetDetails" xlink:type="simple" xlink:href="uis-20240930.xsd#GoodwillandIntangibleAssetsScheduleofIntangibleAssetsNetDetails"/>
  <link:calculationLink xlink:role="http://www.unisys.com/role/GoodwillandIntangibleAssetsScheduleofIntangibleAssetsNetDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_409a7f5a-655f-4bc4-9df1-39248d5ef2b8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_b0e77db3-b5db-4ee5-b616-362e87cd8716" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsGross"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_409a7f5a-655f-4bc4-9df1-39248d5ef2b8" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsGross_b0e77db3-b5db-4ee5-b616-362e87cd8716" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_882fe725-d579-4142-95fc-54f2b9211868" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_409a7f5a-655f-4bc4-9df1-39248d5ef2b8" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_882fe725-d579-4142-95fc-54f2b9211868" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.unisys.com/role/GoodwillandIntangibleAssetsScheduleofFutureAmortizationofIntangibleAssetsDetails" xlink:type="simple" xlink:href="uis-20240930.xsd#GoodwillandIntangibleAssetsScheduleofFutureAmortizationofIntangibleAssetsDetails"/>
  <link:calculationLink xlink:role="http://www.unisys.com/role/GoodwillandIntangibleAssetsScheduleofFutureAmortizationofIntangibleAssetsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_3d0dbfaf-95e1-470f-9e0a-27bc6843384e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear_99f8bfc7-bfc3-4497-8e8e-79bd29defbf2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_3d0dbfaf-95e1-470f-9e0a-27bc6843384e" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear_99f8bfc7-bfc3-4497-8e8e-79bd29defbf2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_502fed80-6f8c-437b-900f-fd0a2241cd3f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_3d0dbfaf-95e1-470f-9e0a-27bc6843384e" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_502fed80-6f8c-437b-900f-fd0a2241cd3f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_6544d309-3e9c-43f3-be10-1874658370bb" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_3d0dbfaf-95e1-470f-9e0a-27bc6843384e" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_6544d309-3e9c-43f3-be10-1874658370bb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_a430cc56-fc50-435b-9ead-38024b84855a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_3d0dbfaf-95e1-470f-9e0a-27bc6843384e" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_a430cc56-fc50-435b-9ead-38024b84855a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_d006b22e-4d61-4ef2-86fa-ae9776642af2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_3d0dbfaf-95e1-470f-9e0a-27bc6843384e" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_d006b22e-4d61-4ef2-86fa-ae9776642af2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_uis_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFour_8c503108-4061-4190-b765-1ed260594777" xlink:href="uis-20240930.xsd#uis_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFour"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_3d0dbfaf-95e1-470f-9e0a-27bc6843384e" xlink:to="loc_uis_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFour_8c503108-4061-4190-b765-1ed260594777" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.unisys.com/role/DebtScheduleofComponentsofLongtermDebtDetails" xlink:type="simple" xlink:href="uis-20240930.xsd#DebtScheduleofComponentsofLongtermDebtDetails"/>
  <link:calculationLink xlink:role="http://www.unisys.com/role/DebtScheduleofComponentsofLongtermDebtDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities_5dc37965-46bd-4bbd-9ce5-f858fcdc0e5e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLongTermDebt_695b21f8-a266-4946-8a26-6ccc8404bd1a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherLongTermDebt"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities_5dc37965-46bd-4bbd-9ce5-f858fcdc0e5e" xlink:to="loc_us-gaap_OtherLongTermDebt_695b21f8-a266-4946-8a26-6ccc8404bd1a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiability_6325a33d-c346-4bc3-99a6-8c21633000b2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinanceLeaseLiability"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities_5dc37965-46bd-4bbd-9ce5-f858fcdc0e5e" xlink:to="loc_us-gaap_FinanceLeaseLiability_6325a33d-c346-4bc3-99a6-8c21633000b2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_44dcdcdf-d422-4524-be28-57843cb83486" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentCarryingAmount"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities_5dc37965-46bd-4bbd-9ce5-f858fcdc0e5e" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_44dcdcdf-d422-4524-be28-57843cb83486" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.unisys.com/role/DebtScheduleofComponentsofLongtermDebtDetails_1" xlink:type="simple" xlink:href="uis-20240930.xsd#DebtScheduleofComponentsofLongtermDebtDetails_1"/>
  <link:calculationLink xlink:role="http://www.unisys.com/role/DebtScheduleofComponentsofLongtermDebtDetails_1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities_7d664dad-bd40-4a37-a2ad-d01f3e1bee13" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_189d5eb2-3e32-48e3-969b-bd2f328bc7f4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities_7d664dad-bd40-4a37-a2ad-d01f3e1bee13" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_189d5eb2-3e32-48e3-969b-bd2f328bc7f4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_4bafa9a1-d61a-47e1-a7f3-42a5970c4a30" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligations"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities_7d664dad-bd40-4a37-a2ad-d01f3e1bee13" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_4bafa9a1-d61a-47e1-a7f3-42a5970c4a30" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.unisys.com/role/DebtScheduleofInterestExpenseDetails" xlink:type="simple" xlink:href="uis-20240930.xsd#DebtScheduleofInterestExpenseDetails"/>
  <link:calculationLink xlink:role="http://www.unisys.com/role/DebtScheduleofInterestExpenseDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseDebt_a09a9233-e319-4b8c-9f87-07021088a7b4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InterestExpenseDebt"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfFinancingCosts_a7e485bf-6e5e-4eeb-87ce-910c9c398655" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AmortizationOfFinancingCosts"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InterestExpenseDebt_a09a9233-e319-4b8c-9f87-07021088a7b4" xlink:to="loc_us-gaap_AmortizationOfFinancingCosts_a7e485bf-6e5e-4eeb-87ce-910c9c398655" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseDebtExcludingAmortization_bad8a195-8586-4ca0-a908-3bf7deaaa2be" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InterestExpenseDebtExcludingAmortization"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InterestExpenseDebt_a09a9233-e319-4b8c-9f87-07021088a7b4" xlink:to="loc_us-gaap_InterestExpenseDebtExcludingAmortization_bad8a195-8586-4ca0-a908-3bf7deaaa2be" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.unisys.com/role/AccumulatedOtherComprehensiveLossSummaryDetails" xlink:type="simple" xlink:href="uis-20240930.xsd#AccumulatedOtherComprehensiveLossSummaryDetails"/>
  <link:calculationLink xlink:role="http://www.unisys.com/role/AccumulatedOtherComprehensiveLossSummaryDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_8be8da97-951a-4ddb-8d26-4e80dade149f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OciBeforeReclassificationsNetOfTaxAttributableToParent_42428232-a01e-4669-9c9d-06571151d46b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OciBeforeReclassificationsNetOfTaxAttributableToParent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_8be8da97-951a-4ddb-8d26-4e80dade149f" xlink:to="loc_us-gaap_OciBeforeReclassificationsNetOfTaxAttributableToParent_42428232-a01e-4669-9c9d-06571151d46b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent_11e77b8b-ac33-49d0-a2fb-65504f3db64c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_8be8da97-951a-4ddb-8d26-4e80dade149f" xlink:to="loc_us-gaap_ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent_11e77b8b-ac33-49d0-a2fb-65504f3db64c" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.unisys.com/role/AccumulatedOtherComprehensiveLossAmountsReclassifiedOutofAccumulatedOtherComprehensiveLossDetails" xlink:type="simple" xlink:href="uis-20240930.xsd#AccumulatedOtherComprehensiveLossAmountsReclassifiedOutofAccumulatedOtherComprehensiveLossDetails"/>
  <link:calculationLink xlink:role="http://www.unisys.com/role/AccumulatedOtherComprehensiveLossAmountsReclassifiedOutofAccumulatedOtherComprehensiveLossDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_76d48807-c2dc-4067-b6ae-1a884e516b78" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_f39b6448-bcbe-4f49-affc-a43cc1d08e3c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_76d48807-c2dc-4067-b6ae-1a884e516b78" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_f39b6448-bcbe-4f49-affc-a43cc1d08e3c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_de3b66a0-c1f3-4c47-8af5-0f5c95085dfd" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_76d48807-c2dc-4067-b6ae-1a884e516b78" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_de3b66a0-c1f3-4c47-8af5-0f5c95085dfd" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.unisys.com/role/SupplementalCashFlowInformationReconciliationofCashCashEquivalentsandRestrictedCashDetails" xlink:type="simple" xlink:href="uis-20240930.xsd#SupplementalCashFlowInformationReconciliationofCashCashEquivalentsandRestrictedCashDetails"/>
  <link:calculationLink xlink:role="http://www.unisys.com/role/SupplementalCashFlowInformationReconciliationofCashCashEquivalentsandRestrictedCashDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_f51e62dc-e726-45c5-b5ac-dac18cdcf0cc" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_fb147f01-8f28-49b7-87a5-8e7489f220c5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_f51e62dc-e726-45c5-b5ac-dac18cdcf0cc" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_fb147f01-8f28-49b7-87a5-8e7489f220c5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashNoncurrent_e984a0ee-7407-48a1-a5c6-a88f02f6f271" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RestrictedCashNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_f51e62dc-e726-45c5-b5ac-dac18cdcf0cc" xlink:to="loc_us-gaap_RestrictedCashNoncurrent_e984a0ee-7407-48a1-a5c6-a88f02f6f271" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.unisys.com/role/SegmentInformationReconciliationofSegmentGrossProfittoConsolidatedIncomeLossFromContinuingOperationsBeforeIncomeTaxesDetails" xlink:type="simple" xlink:href="uis-20240930.xsd#SegmentInformationReconciliationofSegmentGrossProfittoConsolidatedIncomeLossFromContinuingOperationsBeforeIncomeTaxesDetails"/>
  <link:calculationLink xlink:role="http://www.unisys.com/role/SegmentInformationReconciliationofSegmentGrossProfittoConsolidatedIncomeLossFromContinuingOperationsBeforeIncomeTaxesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_adc1c5de-1e25-431d-8d16-1a89b015552e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_05024485-bcbb-497a-a421-101ab3c13054" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherNonoperatingIncomeExpense"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_adc1c5de-1e25-431d-8d16-1a89b015552e" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_05024485-bcbb-497a-a421-101ab3c13054" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseNonoperating_e4f948d1-cbd8-49fd-85c0-cde988faffc5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InterestExpenseNonoperating"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_adc1c5de-1e25-431d-8d16-1a89b015552e" xlink:to="loc_us-gaap_InterestExpenseNonoperating_e4f948d1-cbd8-49fd-85c0-cde988faffc5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GrossProfit_f6572618-b77c-489f-9157-ee7fcc2443c9" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GrossProfit"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_adc1c5de-1e25-431d-8d16-1a89b015552e" xlink:to="loc_us-gaap_GrossProfit_f6572618-b77c-489f-9157-ee7fcc2443c9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpense_086666e6-4d1a-49d2-805b-b86144f816f8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ResearchAndDevelopmentExpense"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_adc1c5de-1e25-431d-8d16-1a89b015552e" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpense_086666e6-4d1a-49d2-805b-b86144f816f8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_4e10d3b6-3f03-453d-a1d8-18f3c762659b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SellingGeneralAndAdministrativeExpense"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_adc1c5de-1e25-431d-8d16-1a89b015552e" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpense_4e10d3b6-3f03-453d-a1d8-18f3c762659b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillImpairmentLoss_fc386ded-9195-49d3-92fa-19c48fa7a974" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GoodwillImpairmentLoss"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_adc1c5de-1e25-431d-8d16-1a89b015552e" xlink:to="loc_us-gaap_GoodwillImpairmentLoss_fc386ded-9195-49d3-92fa-19c48fa7a974" xlink:type="arc"/>
  </link:calculationLink>
</link:linkbase>
