Get a Child Support Estimate in 60 Seconds
Pick your state below. Instant results based on official guideline methods. No signup. Free.
Guideline schedule + shared custody support.
Shows calculation steps
Net resources + cap. Fast estimate.
Instant result
Income + timeshare. Full breakdown.
Source-linked
Income shares + worksheet logic.
Instant result
Income shares + parenting-time offset.
Shows calculation steps
% of combined net income. Pay-frequency converter.
Source-linked
Income shares. Worksheet A & B (sole + shared).
Shows calculation steps
Income shares. 40% custody trigger, equalization ceiling.
Shows calculation steps
Income shares. Sole & shared worksheets, 104-overnight switch.
Shows calculation steps
Income shares. Graduated blend between sole and shared custody.
Shows calculation steps
Percentage of the paying parent's income. Primary & shared custody.
Shows calculation steps
Income shares schedule + a continuous parenting-time credit.
Shows calculation steps
Last reviewed Aug 2026 · Sources linked in results
Not legal advice · Courts may deviate
What You'll Need
Before you start, gather the following information. Having these details ready will help you get the most accurate estimate possible.
Salary, wages, bonuses, commissions, self-employment, rental income, and any other sources
Only children shared between both parents in this case
How many overnights each parent has per year (determines sole vs. shared custody worksheet)
Monthly premium paid specifically for the child(ren)'s coverage
Daycare, after-school care, or babysitting costs incurred due to employment
Alimony paid, pre-existing child support orders for other children
Unreimbursed costs over $250/year such as orthodontia, therapy, or ongoing prescriptions
Some states apply a multi-family adjustment if either parent supports other children
A few states factor in tax deductions or credits when computing net income