Missouri Child Support Calculator

Based on § 452.340 RSMo. Enter both parents' incomes and custody details to see a step-by-step estimate.

Learn how Missouri calculates child support →

Income

Parent 1 gross income (monthly)

Parent 2 gross income (monthly)

Number of children

Parenting Time

Enter the number of overnights per year that Parent 1 has with the child(ren).

Overnights per year (Parent 1): 0 nights = 0%

Expenses

Monthly health insurance premium for child(ren)

Parent 1 pays

Parent 2 pays

Monthly childcare / work-related childcare costs

Parent 1 pays

Parent 2 pays

Your estimate will appear here

Enter both parents' incomes and custody details, then click Calculate support for a step-by-step breakdown.

Estimate only. This uses the published guidelines formula for Missouri (§ 452.340 RSMo) but is not legal advice. Actual court orders may differ based on factors not captured here. Consult a licensed family law attorney in your state.