Child Support in Georgia

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

Child Support Calculator

Estimate payments using Georgia's Income Shares

Modification Checker

Does your income change qualify?

Arrears Calculator

Past-due support with 7% interest

50/50 Custody Guide

Does equal custody eliminate support?

Georgia Child Support Facts — 2026

Formula modelIncome Shares

Income basisBoth parents' income

Support ends at age18

Modification threshold15% income change

Arrears interest rate7% per year

Official agencyGeorgia Child Support Agency ↗

Georgia uses Income Shares. Support ends at 18 or high school graduation, whichever is later (max 20).

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