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A planning range for child support.

Compare each parent’s share of income with their share of annual overnights. This gives you a neutral starting point—not a court prediction.

Income and children

01 / INPUT
$

Income before taxes and paycheck deductions.

$
children

Enter 6 for six or more children.

Annual overnights

TOTAL = 365
nights
nights

Use the expected schedule for a typical non-leap year. The two entries must add up to 365.

Your entries stay in this tab and are not saved.

Income share meets parenting time.

Enter both incomes, the number of children, and a full year of overnights to see an estimated monthly transfer.

One model, not your state’s rulebook

This tool uses a simplified income-shares approach. It estimates a combined child-rearing budget, assigns that budget by each parent’s share of income, then gives credit for each parent’s share of overnights. Actual guidelines vary by state and may add childcare, health insurance, medical costs, other children, existing support orders, taxes, low-income protections, and court-approved adjustments.

Last reviewed: October 2026.