Child Support Payment Calculator
Enter both parents' monthly incomes, the number of children, and the percentage of time the paying parent has custody to estimate a monthly child support obligation using an income-share style approach.
Estimated Monthly Child Support
—
Combined Parental Income—
Adjusted Base Obligation—
Paying Parent's Share—
Estimated Monthly Support—
About this calculator
Estimate monthly child support obligations based on both parents' incomes, custody time share, and number of children.
Frequently Asked Questions
Is this a legally binding child support amount?
No. This calculator provides a rough estimate only. Actual child support is determined by state-specific guidelines and family court orders.
What factors affect actual child support calculations?
Courts typically consider both parents' incomes, custody/parenting time percentages, healthcare costs, childcare expenses, and state-specific formulas.
Do all states use the same formula?
No, states use different models such as income shares, percentage of income, or Melson formula, so actual amounts vary by jurisdiction.