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

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:019ff187-4d9b-7d57-9c50-d8b5b1effbd4,g:e54ae261-70a9-4b07-964f-9f100b7ab5ee-->
<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:arcroleRef arcroleURI="https://xbrl.org/2023/arcrole/summation-item" xlink:type="simple" xlink:href="https://www.xbrl.org/2023/calculation-1.1.xsd#summation-item"/>
  <link:roleRef roleURI="http://www.kellyservices.com/role/ConsolidatedStatementsofEarningsUnaudited" xlink:type="simple" xlink:href="kelya-20260927.xsd#ConsolidatedStatementsofEarningsUnaudited"/>
  <link:calculationLink xlink:role="http://www.kellyservices.com/role/ConsolidatedStatementsofEarningsUnaudited" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_019ff187-4ee2-78a2-8ce2-543143315eb8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019ff187-4ee2-758e-bfad-1cb96e5025ac" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_019ff187-4ee2-78a2-8ce2-543143315eb8" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019ff187-4ee2-758e-bfad-1cb96e5025ac" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_019ff187-4ee2-7b3f-9298-4ebdaef88598" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_019ff187-4ee2-78a2-8ce2-543143315eb8" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_019ff187-4ee2-7b3f-9298-4ebdaef88598" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_019ff187-4ee2-7949-a363-ed618594e6f8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GrossProfit_019ff187-4ee2-783e-8b24-1960714a6417" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GrossProfit"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_019ff187-4ee2-7949-a363-ed618594e6f8" xlink:to="loc_us-gaap_GrossProfit_019ff187-4ee2-783e-8b24-1960714a6417" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_019ff187-4ee2-72df-8e2f-8fc7617f4ea8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SellingGeneralAndAdministrativeExpense"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_019ff187-4ee2-7949-a363-ed618594e6f8" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpense_019ff187-4ee2-72df-8e2f-8fc7617f4ea8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TangibleAssetImpairmentCharges_019ff187-4ee2-70f2-b3ea-bbacea72494f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TangibleAssetImpairmentCharges"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_019ff187-4ee2-7949-a363-ed618594e6f8" xlink:to="loc_us-gaap_TangibleAssetImpairmentCharges_019ff187-4ee2-70f2-b3ea-bbacea72494f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillImpairmentLoss_01a18921-426d-74bd-84b4-31b01471994a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GoodwillImpairmentLoss"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_019ff187-4ee2-7949-a363-ed618594e6f8" xlink:to="loc_us-gaap_GoodwillImpairmentLoss_01a18921-426d-74bd-84b4-31b01471994a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupNotDiscontinuedOperationGainLossOnDisposal_01a1a2dc-398a-7384-89e8-88f543d2f12c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DisposalGroupNotDiscontinuedOperationGainLossOnDisposal"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_019ff187-4ee2-7949-a363-ed618594e6f8" xlink:to="loc_us-gaap_DisposalGroupNotDiscontinuedOperationGainLossOnDisposal_01a1a2dc-398a-7384-89e8-88f543d2f12c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019ff187-4ee2-7015-856b-d7423ee66ad1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_019ff187-4ee2-75dc-8994-976c3407aaee" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019ff187-4ee2-7015-856b-d7423ee66ad1" xlink:to="loc_us-gaap_OperatingIncomeLoss_019ff187-4ee2-75dc-8994-976c3407aaee" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_019ff187-4ee2-7bae-82b1-3da4e64074d8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherNonoperatingIncomeExpense"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019ff187-4ee2-7015-856b-d7423ee66ad1" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_019ff187-4ee2-7bae-82b1-3da4e64074d8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GrossProfit_019ff187-4ee2-74dd-be14-2e97066bc4e9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GrossProfit"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_019ff187-4ee2-7289-8814-4dff90316f2e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_GrossProfit_019ff187-4ee2-74dd-be14-2e97066bc4e9" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_019ff187-4ee2-7289-8814-4dff90316f2e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSold_019ff187-4ee2-79b2-98b8-b4d38bedbf17" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CostOfGoodsAndServicesSold"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_GrossProfit_019ff187-4ee2-74dd-be14-2e97066bc4e9" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSold_019ff187-4ee2-79b2-98b8-b4d38bedbf17" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.kellyservices.com/role/ConsolidatedStatementsofComprehensiveIncomeLossUnaudited" xlink:type="simple" xlink:href="kelya-20260927.xsd#ConsolidatedStatementsofComprehensiveIncomeLossUnaudited"/>
  <link:calculationLink xlink:role="http://www.kellyservices.com/role/ConsolidatedStatementsofComprehensiveIncomeLossUnaudited" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_019ff187-4ee2-7b4e-bf33-d8136fa5ae2f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_kelya_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIEquityMethodInvestmentAndOtherNetOfTax_019ff187-4ee2-7a64-83e0-9a513862e54a" xlink:href="kelya-20260927.xsd#kelya_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIEquityMethodInvestmentAndOtherNetOfTax"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_019ff187-4ee2-7b4e-bf33-d8136fa5ae2f" xlink:to="loc_kelya_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIEquityMethodInvestmentAndOtherNetOfTax_019ff187-4ee2-7a64-83e0-9a513862e54a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax_019ff187-4ee2-752d-a306-3cbaa8d905fb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_019ff187-4ee2-7b4e-bf33-d8136fa5ae2f" xlink:to="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax_019ff187-4ee2-752d-a306-3cbaa8d905fb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_019ff187-4ee2-7172-ba63-db8ab7903eff" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_019ff187-4ee2-7785-b6ec-48b59295f02f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_019ff187-4ee2-7172-ba63-db8ab7903eff" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_019ff187-4ee2-7785-b6ec-48b59295f02f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_019ff187-4ee2-714d-8a72-b823eb54f56b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ComprehensiveIncomeNetOfTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_019ff187-4ee2-7f97-a555-1f953893849f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_019ff187-4ee2-714d-8a72-b823eb54f56b" xlink:to="loc_us-gaap_NetIncomeLoss_019ff187-4ee2-7f97-a555-1f953893849f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_019ff187-4ee2-740d-acf2-8b9f5a7cee65" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_019ff187-4ee2-714d-8a72-b823eb54f56b" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_019ff187-4ee2-740d-acf2-8b9f5a7cee65" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.kellyservices.com/role/ConsolidatedBalanceSheetsUnaudited" xlink:type="simple" xlink:href="kelya-20260927.xsd#ConsolidatedBalanceSheetsUnaudited"/>
  <link:calculationLink xlink:role="http://www.kellyservices.com/role/ConsolidatedBalanceSheetsUnaudited" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_019ff187-4ee2-77e4-9f11-f9637ef847a1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockValue_019ff187-4ee2-7296-a4bd-f940c8505074" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_019ff187-4ee2-77e4-9f11-f9637ef847a1" xlink:to="loc_us-gaap_CommonStockValue_019ff187-4ee2-7296-a4bd-f940c8505074" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockValue_019ff187-4ee2-73e0-b2eb-7e2f66163580" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TreasuryStockValue"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_019ff187-4ee2-77e4-9f11-f9637ef847a1" xlink:to="loc_us-gaap_TreasuryStockValue_019ff187-4ee2-73e0-b2eb-7e2f66163580" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapital_019ff187-4ee2-7a4e-b8d4-eb323fa6facb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AdditionalPaidInCapital"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_019ff187-4ee2-77e4-9f11-f9637ef847a1" xlink:to="loc_us-gaap_AdditionalPaidInCapital_019ff187-4ee2-7a4e-b8d4-eb323fa6facb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_019ff187-4ee2-7649-85af-d93475fae8d0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RetainedEarningsAccumulatedDeficit"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_019ff187-4ee2-77e4-9f11-f9637ef847a1" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_019ff187-4ee2-7649-85af-d93475fae8d0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_019ff187-4ee2-7033-a0cf-3088a75116a1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_019ff187-4ee2-77e4-9f11-f9637ef847a1" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_019ff187-4ee2-7033-a0cf-3088a75116a1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_019ff187-4ee2-7f4d-90a8-e2b06f81df31" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetsCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_019ff187-4ee2-74ec-8be7-00412d6026c2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_019ff187-4ee2-7f4d-90a8-e2b06f81df31" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_019ff187-4ee2-74ec-8be7-00412d6026c2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_019ff187-4ee2-77a9-8efc-2d89c412abc3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccountsReceivableNetCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_019ff187-4ee2-7f4d-90a8-e2b06f81df31" xlink:to="loc_us-gaap_AccountsReceivableNetCurrent_019ff187-4ee2-77a9-8efc-2d89c412abc3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_019ff187-4ee2-787f-bdd7-90971a16e38a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PrepaidExpenseAndOtherAssetsCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_019ff187-4ee2-7f4d-90a8-e2b06f81df31" xlink:to="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_019ff187-4ee2-787f-bdd7-90971a16e38a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesNoncurrent_019ff187-4ee2-7583-8508-5c69a020f250" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LiabilitiesNoncurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WorkersCompensationLiabilityNoncurrent_019ff187-4ee2-719f-a43c-811f1b2e9eb5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_WorkersCompensationLiabilityNoncurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesNoncurrent_019ff187-4ee2-7583-8508-5c69a020f250" xlink:to="loc_us-gaap_WorkersCompensationLiabilityNoncurrent_019ff187-4ee2-719f-a43c-811f1b2e9eb5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_019ff187-4ee2-7ace-bac6-fae6b6bd6b15" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherLiabilitiesNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesNoncurrent_019ff187-4ee2-7583-8508-5c69a020f250" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_019ff187-4ee2-7ace-bac6-fae6b6bd6b15" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_019ff187-4ee2-7d36-9b64-389cca84dbfe" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebt"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesNoncurrent_019ff187-4ee2-7583-8508-5c69a020f250" xlink:to="loc_us-gaap_LongTermDebt_019ff187-4ee2-7d36-9b64-389cca84dbfe" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredCompensationLiabilityClassifiedNoncurrent_019ff187-4ee2-79d9-ad9a-ce5d92a666c8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredCompensationLiabilityClassifiedNoncurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesNoncurrent_019ff187-4ee2-7583-8508-5c69a020f250" xlink:to="loc_us-gaap_DeferredCompensationLiabilityClassifiedNoncurrent_019ff187-4ee2-79d9-ad9a-ce5d92a666c8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_019ff187-4ee2-7266-b8aa-618b16399ca5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesNoncurrent_019ff187-4ee2-7583-8508-5c69a020f250" xlink:to="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_019ff187-4ee2-7266-b8aa-618b16399ca5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_019ff187-4ee2-7813-a076-aa2f23218f8d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Assets"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_019ff187-4ee2-713a-9535-47b967445a14" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetsCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_019ff187-4ee2-7813-a076-aa2f23218f8d" xlink:to="loc_us-gaap_AssetsCurrent_019ff187-4ee2-713a-9535-47b967445a14" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsNoncurrent_019ff187-4ee2-707b-9ec9-5f85b4ed5766" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetsNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_019ff187-4ee2-7813-a076-aa2f23218f8d" xlink:to="loc_us-gaap_AssetsNoncurrent_019ff187-4ee2-707b-9ec9-5f85b4ed5766" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_019ff187-4ee2-74d8-ae98-7f933f7aff09" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TaxesPayableCurrent_019ff187-4ee2-7cc9-8519-d7fa98951753" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TaxesPayableCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_019ff187-4ee2-74d8-ae98-7f933f7aff09" xlink:to="loc_us-gaap_TaxesPayableCurrent_019ff187-4ee2-7cc9-8519-d7fa98951753" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityCurrent_019ff187-4ee2-734a-8545-b564acb60564" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingLeaseLiabilityCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_019ff187-4ee2-74d8-ae98-7f933f7aff09" xlink:to="loc_us-gaap_OperatingLeaseLiabilityCurrent_019ff187-4ee2-734a-8545-b564acb60564" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_019ff187-4ee2-76bc-b943-bd69ed635f76" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_019ff187-4ee2-74d8-ae98-7f933f7aff09" xlink:to="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_019ff187-4ee2-76bc-b943-bd69ed635f76" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_019ff187-4ee2-7e16-8943-8a89e49f9e30" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EmployeeRelatedLiabilitiesCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_019ff187-4ee2-74d8-ae98-7f933f7aff09" xlink:to="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_019ff187-4ee2-7e16-8943-8a89e49f9e30" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_kelya_AccruedWorkersCompensationAndOtherClaimsCurrent_019ff187-4ee2-7c37-9078-1b4ab98c78e4" xlink:href="kelya-20260927.xsd#kelya_AccruedWorkersCompensationAndOtherClaimsCurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_019ff187-4ee2-74d8-ae98-7f933f7aff09" xlink:to="loc_kelya_AccruedWorkersCompensationAndOtherClaimsCurrent_019ff187-4ee2-7c37-9078-1b4ab98c78e4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_019ff187-4ee2-73e5-8682-3b808f351888" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LiabilitiesAndStockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_019ff187-4ee2-7bc3-bdf8-3b95022651e0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_019ff187-4ee2-73e5-8682-3b808f351888" xlink:to="loc_us-gaap_LiabilitiesCurrent_019ff187-4ee2-7bc3-bdf8-3b95022651e0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesNoncurrent_019ff187-4ee2-76d6-b5be-b1732a34be06" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LiabilitiesNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_019ff187-4ee2-73e5-8682-3b808f351888" xlink:to="loc_us-gaap_LiabilitiesNoncurrent_019ff187-4ee2-76d6-b5be-b1732a34be06" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingencies_019ff187-4ee2-79e7-b0fc-6e8fcd6b218e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommitmentsAndContingencies"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_019ff187-4ee2-73e5-8682-3b808f351888" xlink:to="loc_us-gaap_CommitmentsAndContingencies_019ff187-4ee2-79e7-b0fc-6e8fcd6b218e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_019ff187-4ee2-785a-b357-9d13e01c8b0e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquity"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_019ff187-4ee2-73e5-8682-3b808f351888" xlink:to="loc_us-gaap_StockholdersEquity_019ff187-4ee2-785a-b357-9d13e01c8b0e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsNoncurrent_019ff187-4ee2-7d2a-a2e4-da1990e49163" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetsNoncurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_019ff187-4ee2-7470-b94a-21e4b528d8aa" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsNoncurrent_019ff187-4ee2-7d2a-a2e4-da1990e49163" xlink:to="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_019ff187-4ee2-7470-b94a-21e4b528d8aa" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxAssetsNet_019ff187-4ee2-7f33-b9c0-13f5bbcfd739" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredIncomeTaxAssetsNet"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsNoncurrent_019ff187-4ee2-7d2a-a2e4-da1990e49163" xlink:to="loc_us-gaap_DeferredIncomeTaxAssetsNet_019ff187-4ee2-7f33-b9c0-13f5bbcfd739" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_019ff187-4ee2-7206-9d2d-6efd5a1ec88b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Goodwill"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsNoncurrent_019ff187-4ee2-7d2a-a2e4-da1990e49163" xlink:to="loc_us-gaap_Goodwill_019ff187-4ee2-7206-9d2d-6efd5a1ec88b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_019ff187-4ee2-7684-97d7-882f7bbb659c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherAssetsNoncurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsNoncurrent_019ff187-4ee2-7d2a-a2e4-da1990e49163" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_019ff187-4ee2-7684-97d7-882f7bbb659c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LifeInsuranceCorporateOrBankOwnedAmount_019ff187-4ee2-70cb-90da-22b9ab26926c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LifeInsuranceCorporateOrBankOwnedAmount"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsNoncurrent_019ff187-4ee2-7d2a-a2e4-da1990e49163" xlink:to="loc_us-gaap_LifeInsuranceCorporateOrBankOwnedAmount_019ff187-4ee2-70cb-90da-22b9ab26926c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_019ff187-4ee2-7b00-825c-d2ab7c06f0ce" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PropertyPlantAndEquipmentNet"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsNoncurrent_019ff187-4ee2-7d2a-a2e4-da1990e49163" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_019ff187-4ee2-7b00-825c-d2ab7c06f0ce" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAsset_019ff187-4ee2-794a-9e60-7a350b0ea216" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingLeaseRightOfUseAsset"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsNoncurrent_019ff187-4ee2-7d2a-a2e4-da1990e49163" xlink:to="loc_us-gaap_OperatingLeaseRightOfUseAsset_019ff187-4ee2-794a-9e60-7a350b0ea216" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.kellyservices.com/role/ConsolidatedStatementsofCashFlowsUnaudited" xlink:type="simple" xlink:href="kelya-20260927.xsd#ConsolidatedStatementsofCashFlowsUnaudited"/>
  <link:calculationLink xlink:role="http://www.kellyservices.com/role/ConsolidatedStatementsofCashFlowsUnaudited" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019ff187-4f81-7887-a7f9-7344f03eb526" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebt_019ff187-4f81-7921-a9f1-b73111b3b8ad" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromIssuanceOfLongTermDebt"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019ff187-4f81-7887-a7f9-7344f03eb526" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebt_019ff187-4f81-7921-a9f1-b73111b3b8ad" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfDebt_019ff187-4f81-77cd-be36-0cd42a81c83a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RepaymentsOfDebt"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019ff187-4f81-7887-a7f9-7344f03eb526" xlink:to="loc_us-gaap_RepaymentsOfDebt_019ff187-4f81-77cd-be36-0cd42a81c83a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfDividendsCommonStock_019ff187-4f81-7e34-829a-6c0cfcb64b3a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsOfDividendsCommonStock"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019ff187-4f81-7887-a7f9-7344f03eb526" xlink:to="loc_us-gaap_PaymentsOfDividendsCommonStock_019ff187-4f81-7e34-829a-6c0cfcb64b3a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_019ff187-4f81-74d1-b9e3-5ddb318d27ab" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019ff187-4f81-7887-a7f9-7344f03eb526" xlink:to="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_019ff187-4f81-74d1-b9e3-5ddb318d27ab" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_019ff187-4f81-7d1d-bc9b-87a0ec54bb57" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromPaymentsForOtherFinancingActivities"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019ff187-4f81-7887-a7f9-7344f03eb526" xlink:to="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_019ff187-4f81-7d1d-bc9b-87a0ec54bb57" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_019ff187-4f81-76da-9bb3-e621d2e2b65b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019ff187-4f81-7400-8faf-076a1f621201" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_019ff187-4f81-76da-9bb3-e621d2e2b65b" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019ff187-4f81-7400-8faf-076a1f621201" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019ff187-4f81-7da6-b00a-54bcdbfb9c0b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_019ff187-4f81-76da-9bb3-e621d2e2b65b" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019ff187-4f81-7da6-b00a-54bcdbfb9c0b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019ff187-4f81-7a9b-9844-3ded473a3590" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_019ff187-4f81-76da-9bb3-e621d2e2b65b" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019ff187-4f81-7a9b-9844-3ded473a3590" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_019ff187-4f81-79a4-a4c3-293e6eece1bd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_019ff187-4f81-76da-9bb3-e621d2e2b65b" xlink:to="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_019ff187-4f81-79a4-a4c3-293e6eece1bd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019ff187-4f81-7721-8cf9-bd02b5567cf1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireProductiveAssets_019ff187-4f81-77c3-85b1-52142c9478bf" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsToAcquireProductiveAssets"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019ff187-4f81-7721-8cf9-bd02b5567cf1" xlink:to="loc_us-gaap_PaymentsToAcquireProductiveAssets_019ff187-4f81-77c3-85b1-52142c9478bf" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_kelya_ProceedsFromSaleOfProductiveAssetsNetOfCashDisposed_019ff187-4f81-7c2b-9f6b-3a26b6a2a0cb" xlink:href="kelya-20260927.xsd#kelya_ProceedsFromSaleOfProductiveAssetsNetOfCashDisposed"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019ff187-4f81-7721-8cf9-bd02b5567cf1" xlink:to="loc_kelya_ProceedsFromSaleOfProductiveAssetsNetOfCashDisposed_019ff187-4f81-7c2b-9f6b-3a26b6a2a0cb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_kelya_ProceedsFromInvestmentInEquitySecuritiesInvestingActivities_019ff187-4f81-79da-99ce-1ecd5580fefa" xlink:href="kelya-20260927.xsd#kelya_ProceedsFromInvestmentInEquitySecuritiesInvestingActivities"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019ff187-4f81-7721-8cf9-bd02b5567cf1" xlink:to="loc_kelya_ProceedsFromInvestmentInEquitySecuritiesInvestingActivities_019ff187-4f81-79da-99ce-1ecd5580fefa" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromLifeInsurancePolicies_019ff187-4f81-71cb-b893-ea8be4182157" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromLifeInsurancePolicies"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019ff187-4f81-7721-8cf9-bd02b5567cf1" xlink:to="loc_us-gaap_ProceedsFromLifeInsurancePolicies_019ff187-4f81-71cb-b893-ea8be4182157" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_019ff187-4f81-706c-99e9-b046831ad41e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsForProceedsFromOtherInvestingActivities"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019ff187-4f81-7721-8cf9-bd02b5567cf1" xlink:to="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_019ff187-4f81-706c-99e9-b046831ad41e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019ff187-4f81-72e1-b2bf-479fa6b215a0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_019ff187-4f81-78cc-9c58-135d2a767259" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019ff187-4f81-72e1-b2bf-479fa6b215a0" xlink:to="loc_us-gaap_NetIncomeLoss_019ff187-4f81-78cc-9c58-135d2a767259" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TangibleAssetImpairmentCharges_019ff187-4f81-7de1-9525-46f4707d5376" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TangibleAssetImpairmentCharges"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019ff187-4f81-72e1-b2bf-479fa6b215a0" xlink:to="loc_us-gaap_TangibleAssetImpairmentCharges_019ff187-4f81-7de1-9525-46f4707d5376" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillImpairmentLoss_019ff187-4f81-7753-a4e5-9b8ef91a0f0b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GoodwillImpairmentLoss"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019ff187-4f81-72e1-b2bf-479fa6b215a0" xlink:to="loc_us-gaap_GoodwillImpairmentLoss_019ff187-4f81-7753-a4e5-9b8ef91a0f0b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_019ff187-4f81-7353-b404-58f35c99bd0b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019ff187-4f81-72e1-b2bf-479fa6b215a0" xlink:to="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_019ff187-4f81-7353-b404-58f35c99bd0b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupNotDiscontinuedOperationGainLossOnDisposal_019ff187-4f81-7a09-8585-e8247d0a0828" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DisposalGroupNotDiscontinuedOperationGainLossOnDisposal"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019ff187-4f81-72e1-b2bf-479fa6b215a0" xlink:to="loc_us-gaap_DisposalGroupNotDiscontinuedOperationGainLossOnDisposal_019ff187-4f81-7a09-8585-e8247d0a0828" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_019ff187-4f81-7b33-96a4-05c6cd3bb226" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DepreciationDepletionAndAmortization"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019ff187-4f81-72e1-b2bf-479fa6b215a0" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_019ff187-4f81-7b33-96a4-05c6cd3bb226" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAssetAmortizationExpense_019ff187-4f81-7d54-96f8-a9c53920f907" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingLeaseRightOfUseAssetAmortizationExpense"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019ff187-4f81-72e1-b2bf-479fa6b215a0" xlink:to="loc_us-gaap_OperatingLeaseRightOfUseAssetAmortizationExpense_019ff187-4f81-7d54-96f8-a9c53920f907" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProvisionForDoubtfulAccounts_019ff187-4f81-7f3e-83d9-77346e10b4b8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProvisionForDoubtfulAccounts"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019ff187-4f81-72e1-b2bf-479fa6b215a0" xlink:to="loc_us-gaap_ProvisionForDoubtfulAccounts_019ff187-4f81-7f3e-83d9-77346e10b4b8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensation_019ff187-4f81-7b85-a606-c9cb2194fcbb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensation"/>
    <link:calculationArc order="9" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019ff187-4f81-72e1-b2bf-479fa6b215a0" xlink:to="loc_us-gaap_ShareBasedCompensation_019ff187-4f81-7b85-a606-c9cb2194fcbb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNoncashIncomeExpense_019ff187-4f81-7ff2-aa5d-0e8725eaf318" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherNoncashIncomeExpense"/>
    <link:calculationArc order="10" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019ff187-4f81-72e1-b2bf-479fa6b215a0" xlink:to="loc_us-gaap_OtherNoncashIncomeExpense_019ff187-4f81-7ff2-aa5d-0e8725eaf318" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_019ff187-4f81-77d7-b229-ad3be2799ff2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable"/>
    <link:calculationArc order="11" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019ff187-4f81-72e1-b2bf-479fa6b215a0" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_019ff187-4f81-77d7-b229-ad3be2799ff2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingAssets_019ff187-4f81-7c49-a495-f74b0bd491a9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInOtherOperatingAssets"/>
    <link:calculationArc order="12" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019ff187-4f81-72e1-b2bf-479fa6b215a0" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherOperatingAssets_019ff187-4f81-7c49-a495-f74b0bd491a9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayable_019ff187-4f81-73e1-ac0e-afa2e6a4bde1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInAccountsPayable"/>
    <link:calculationArc order="13" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019ff187-4f81-72e1-b2bf-479fa6b215a0" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayable_019ff187-4f81-73e1-ac0e-afa2e6a4bde1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_01a1795a-7979-7574-ba5a-ba86011ca78c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInOtherOperatingLiabilities"/>
    <link:calculationArc order="14" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019ff187-4f81-72e1-b2bf-479fa6b215a0" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_01a1795a-7979-7574-ba5a-ba86011ca78c" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.kellyservices.com/role/ConsolidatedStatementsofCashFlowsUnauditedParenthetical" xlink:type="simple" xlink:href="kelya-20260927.xsd#ConsolidatedStatementsofCashFlowsUnauditedParenthetical"/>
  <link:calculationLink xlink:role="http://www.kellyservices.com/role/ConsolidatedStatementsofCashFlowsUnauditedParenthetical" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_019ff187-4f81-7b5d-b325-c60b04088b91" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_019ff187-4f81-7be8-829a-5900fb3cbee9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_019ff187-4f81-7b5d-b325-c60b04088b91" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_019ff187-4f81-7be8-829a-5900fb3cbee9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashCurrent_019ff187-4f81-773b-8dda-4f96e0a6ed9d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestrictedCashCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_019ff187-4f81-7b5d-b325-c60b04088b91" xlink:to="loc_us-gaap_RestrictedCashCurrent_019ff187-4f81-773b-8dda-4f96e0a6ed9d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashNoncurrent_019ff187-4f81-7ecc-a75b-079bba96528f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestrictedCashNoncurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_019ff187-4f81-7b5d-b325-c60b04088b91" xlink:to="loc_us-gaap_RestrictedCashNoncurrent_019ff187-4f81-7ecc-a75b-079bba96528f" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.kellyservices.com/role/FairValueMeasurementsScheduleofAssetsMeasuredatFairValueonaRecurringBasisDetails" xlink:type="simple" xlink:href="kelya-20260927.xsd#FairValueMeasurementsScheduleofAssetsMeasuredatFairValueonaRecurringBasisDetails"/>
  <link:calculationLink xlink:role="http://www.kellyservices.com/role/FairValueMeasurementsScheduleofAssetsMeasuredatFairValueonaRecurringBasisDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsFairValueDisclosure_019ff187-4f81-75de-92e7-4ec2960bbdce" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetsFairValueDisclosure"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MoneyMarketFundsAtCarryingValue_019ff187-4f81-74aa-9f25-8ebe27567586" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_MoneyMarketFundsAtCarryingValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsFairValueDisclosure_019ff187-4f81-75de-92e7-4ec2960bbdce" xlink:to="loc_us-gaap_MoneyMarketFundsAtCarryingValue_019ff187-4f81-74aa-9f25-8ebe27567586" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesFairValueDisclosure_019ff187-4f81-7529-966a-7a18e8c66cf8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LiabilitiesFairValueDisclosure"/>
    <link:loc xlink:type="locator" xlink:label="loc_kelya_IndemnificationFairValueDisclosure_019ff187-4f81-768d-9e3c-b79174624a64" xlink:href="kelya-20260927.xsd#kelya_IndemnificationFairValueDisclosure"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesFairValueDisclosure_019ff187-4f81-7529-966a-7a18e8c66cf8" xlink:to="loc_kelya_IndemnificationFairValueDisclosure_019ff187-4f81-768d-9e3c-b79174624a64" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.kellyservices.com/role/IntegrationRealignmentandRestructuringScheduleofRestructuringandRelatedCostsDetails" xlink:type="simple" xlink:href="kelya-20260927.xsd#IntegrationRealignmentandRestructuringScheduleofRestructuringandRelatedCostsDetails"/>
  <link:calculationLink xlink:role="http://www.kellyservices.com/role/IntegrationRealignmentandRestructuringScheduleofRestructuringandRelatedCostsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCharges_019ff187-4f81-72ad-8f9b-65fe557fc6d4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestructuringCharges"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommunicationsAndInformationTechnology_019ff187-4f81-7cdb-851c-b39431c82e9f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommunicationsAndInformationTechnology"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_RestructuringCharges_019ff187-4f81-72ad-8f9b-65fe557fc6d4" xlink:to="loc_us-gaap_CommunicationsAndInformationTechnology_019ff187-4f81-7cdb-851c-b39431c82e9f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherRestructuringCosts_019ff187-4f81-7b40-8d43-7b36d6222b38" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherRestructuringCosts"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_RestructuringCharges_019ff187-4f81-72ad-8f9b-65fe557fc6d4" xlink:to="loc_us-gaap_OtherRestructuringCosts_019ff187-4f81-7b40-8d43-7b36d6222b38" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeveranceCosts1_019ff187-4f81-70c2-883f-f462fd318e91" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SeveranceCosts1"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_RestructuringCharges_019ff187-4f81-72ad-8f9b-65fe557fc6d4" xlink:to="loc_us-gaap_SeveranceCosts1_019ff187-4f81-70c2-883f-f462fd318e91" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.kellyservices.com/role/AccumulatedOtherComprehensiveIncomeLossScheduleofAccumulatedOtherComprehensiveIncomeLossbyComponentNetofTaxDetails" xlink:type="simple" xlink:href="kelya-20260927.xsd#AccumulatedOtherComprehensiveIncomeLossScheduleofAccumulatedOtherComprehensiveIncomeLossbyComponentNetofTaxDetails"/>
  <link:calculationLink xlink:role="http://www.kellyservices.com/role/AccumulatedOtherComprehensiveIncomeLossScheduleofAccumulatedOtherComprehensiveIncomeLossbyComponentNetofTaxDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_019ff187-4f82-7751-97c3-fe1e6eaa5eea" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OciBeforeReclassificationsNetOfTaxAttributableToParent_019ff187-4f82-7a73-8f0e-dd14e065227c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OciBeforeReclassificationsNetOfTaxAttributableToParent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_019ff187-4f82-7751-97c3-fe1e6eaa5eea" xlink:to="loc_us-gaap_OciBeforeReclassificationsNetOfTaxAttributableToParent_019ff187-4f82-7a73-8f0e-dd14e065227c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent_019ff187-4f82-73dc-a17f-a1162871fa75" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_019ff187-4f82-7751-97c3-fe1e6eaa5eea" xlink:to="loc_us-gaap_ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent_019ff187-4f82-73dc-a17f-a1162871fa75" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.kellyservices.com/role/EarningsLossPerShareReconciliationofBasicandDilutedEarningsPerShareDetails" xlink:type="simple" xlink:href="kelya-20260927.xsd#EarningsLossPerShareReconciliationofBasicandDilutedEarningsPerShareDetails"/>
  <link:calculationLink xlink:role="http://www.kellyservices.com/role/EarningsLossPerShareReconciliationofBasicandDilutedEarningsPerShareDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_019ff187-4f82-79c4-a599-188b0f52fea6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic_019ff187-4f82-7ec3-b553-2c4b8dfe2e06" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_019ff187-4f82-79c4-a599-188b0f52fea6" xlink:to="loc_us-gaap_ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic_019ff187-4f82-7ec3-b553-2c4b8dfe2e06" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_019ff187-4f82-70af-8859-d5c7e0c596b4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetIncomeLoss"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_019ff187-4f82-79c4-a599-188b0f52fea6" xlink:to="loc_us-gaap_NetIncomeLoss_019ff187-4f82-70af-8859-d5c7e0c596b4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_019ff187-4f82-78b4-8d88-57fc2ea66c5c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_019ff187-4f82-7d80-a837-339f30b3403f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_019ff187-4f82-78b4-8d88-57fc2ea66c5c" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_019ff187-4f82-7d80-a837-339f30b3403f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_019ff187-4f82-738d-ad68-359311551f5b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_019ff187-4f82-78b4-8d88-57fc2ea66c5c" xlink:to="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_019ff187-4f82-738d-ad68-359311551f5b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_019ff187-4f82-747e-beac-1640af41ea67" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_019ff187-4f82-7f14-b597-0f19b7706248" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_019ff187-4f82-747e-beac-1640af41ea67" xlink:to="loc_us-gaap_NetIncomeLoss_019ff187-4f82-7f14-b597-0f19b7706248" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ParticipatingSecuritiesDistributedAndUndistributedEarningsLossDiluted_019ff187-4f82-7efb-983f-3bc2075d6559" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ParticipatingSecuritiesDistributedAndUndistributedEarningsLossDiluted"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_019ff187-4f82-747e-beac-1640af41ea67" xlink:to="loc_us-gaap_ParticipatingSecuritiesDistributedAndUndistributedEarningsLossDiluted_019ff187-4f82-7efb-983f-3bc2075d6559" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.kellyservices.com/role/OtherIncomeExpenseNetScheduleofOtherNonoperatingIncomeExpenseDetails" xlink:type="simple" xlink:href="kelya-20260927.xsd#OtherIncomeExpenseNetScheduleofOtherNonoperatingIncomeExpenseDetails"/>
  <link:calculationLink xlink:role="http://www.kellyservices.com/role/OtherIncomeExpenseNetScheduleofOtherNonoperatingIncomeExpenseDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_019ff187-4f82-7b3b-83ef-04747d77e284" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherNonoperatingIncomeExpense"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentIncomeInterest_019ff187-4f82-7ac3-a20c-4f5303c9a1fd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InvestmentIncomeInterest"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherNonoperatingIncomeExpense_019ff187-4f82-7b3b-83ef-04747d77e284" xlink:to="loc_us-gaap_InvestmentIncomeInterest_019ff187-4f82-7ac3-a20c-4f5303c9a1fd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseNonoperating_019ff187-4f82-7719-9a55-a3e32b89ca21" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestExpenseNonoperating"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherNonoperatingIncomeExpense_019ff187-4f82-7b3b-83ef-04747d77e284" xlink:to="loc_us-gaap_InterestExpenseNonoperating_019ff187-4f82-7719-9a55-a3e32b89ca21" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_kelya_OtherNonoperatingIncomeExpenseMiscellaneous_019ff187-4f82-7174-938d-bb8c3822c674" xlink:href="kelya-20260927.xsd#kelya_OtherNonoperatingIncomeExpenseMiscellaneous"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherNonoperatingIncomeExpense_019ff187-4f82-7b3b-83ef-04747d77e284" xlink:to="loc_kelya_OtherNonoperatingIncomeExpenseMiscellaneous_019ff187-4f82-7174-938d-bb8c3822c674" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.kellyservices.com/role/SegmentDisclosuresSegmentReportingDetails" xlink:type="simple" xlink:href="kelya-20260927.xsd#SegmentDisclosuresSegmentReportingDetails"/>
  <link:calculationLink xlink:role="http://www.kellyservices.com/role/SegmentDisclosuresSegmentReportingDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_kelya_BusinessUnitProfitLoss_019ff187-5029-7145-a03e-d1a3f2003bbf" xlink:href="kelya-20260927.xsd#kelya_BusinessUnitProfitLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GrossProfit_019ff187-5029-7efa-8e2d-7aed6ff42b1e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GrossProfit"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_kelya_BusinessUnitProfitLoss_019ff187-5029-7145-a03e-d1a3f2003bbf" xlink:to="loc_us-gaap_GrossProfit_019ff187-5029-7efa-8e2d-7aed6ff42b1e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_kelya_SellingGeneralAndAdministrativeExpenseAdjusted_019ff187-5029-7dd7-9f04-6f4d76cdfc68" xlink:href="kelya-20260927.xsd#kelya_SellingGeneralAndAdministrativeExpenseAdjusted"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_kelya_BusinessUnitProfitLoss_019ff187-5029-7145-a03e-d1a3f2003bbf" xlink:to="loc_kelya_SellingGeneralAndAdministrativeExpenseAdjusted_019ff187-5029-7dd7-9f04-6f4d76cdfc68" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TangibleAssetImpairmentCharges_019ff187-5029-7f35-a83d-3c6fea4d8b67" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TangibleAssetImpairmentCharges"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_kelya_BusinessUnitProfitLoss_019ff187-5029-7145-a03e-d1a3f2003bbf" xlink:to="loc_us-gaap_TangibleAssetImpairmentCharges_019ff187-5029-7f35-a83d-3c6fea4d8b67" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillImpairmentLoss_01a18921-dc66-73fb-9544-b15dd3990d37" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GoodwillImpairmentLoss"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_kelya_BusinessUnitProfitLoss_019ff187-5029-7145-a03e-d1a3f2003bbf" xlink:to="loc_us-gaap_GoodwillImpairmentLoss_01a18921-dc66-73fb-9544-b15dd3990d37" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_kelya_SellingGeneralAndAdministrativeExpenseAdjusted_019ff187-5029-70dd-b4c8-eb2f6298bc97" xlink:href="kelya-20260927.xsd#kelya_SellingGeneralAndAdministrativeExpenseAdjusted"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostDirectLabor_019ff187-5029-75f5-a916-d02dd4da6eab" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CostDirectLabor"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_kelya_SellingGeneralAndAdministrativeExpenseAdjusted_019ff187-5029-70dd-b4c8-eb2f6298bc97" xlink:to="loc_us-gaap_CostDirectLabor_019ff187-5029-75f5-a916-d02dd4da6eab" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingOtherItemAmount_019ff187-5029-743e-9312-1745163237b9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentReportingOtherItemAmount"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_kelya_SellingGeneralAndAdministrativeExpenseAdjusted_019ff187-5029-70dd-b4c8-eb2f6298bc97" xlink:to="loc_us-gaap_SegmentReportingOtherItemAmount_019ff187-5029-743e-9312-1745163237b9" xlink:type="arc"/>
  </link:calculationLink>
</link:linkbase>
