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Child Support in Arkansas

Free calculator, modification rules, arrears interest, and 50/50 custody guide for Arkansas — 2026.

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Child Support Calculator
Estimate payments using Arkansas's Percentage of Income
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Modification Checker
Does your income change qualify?
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Arrears Calculator
Past-due support with 10% interest
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50/50 Custody Guide
Does equal custody eliminate support?

Arkansas Child Support Facts — 2026

Formula modelPercentage of Income
Income basisNon-custodial parent only
Support ends at age18
Modification threshold20% income change
Arrears interest rate10% per year
Official agencyArkansas Child Support Agency ↗
Arkansas uses a flat percentage of the non-custodial parent's net income.

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