Estimate monthly child support payments using the income shares model. Enter both parents' incomes, custody arrangement, and child expenses.
Parent 2 pays Parent 1
| Combined Monthly Income | $8,000 |
| Basic Guideline Support | $2,000 |
| Healthcare + Childcare | $700 |
| Total Child Expenses | $2,700 |
| Parent 1 Income Share (62.5%) | $1,688 |
| Parent 2 Income Share (37.5%) | $1,013 |
| Est. Monthly Support | $1,013 |
This is an estimate only. Child support is determined by a court using your state's specific guidelines.
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Combined Income → Guideline Amount (Income Shares)
Each parent pays their income % of total obligation
Parent with less custody pays the difference
Most states use the Income Shares Model: both parents' incomes are combined, a guideline support amount is determined, and each parent pays proportionally to their income share.
Yes. More parenting time generally reduces the paying parent's obligation. States vary on whether 50/50 custody eliminates or reduces support.
Basic support covers housing, food, clothing, and basic needs. Healthcare and childcare are often added separately. Education costs may be additional.
Yes. Either parent can request modification if there's a substantial change in circumstances: income change, custody change, or significant expense changes.
Calculations are for educational purposes only. Consult a qualified financial advisor for personalized advice.