Wisconsin child support
Wisconsin Child Support Calculator
Estimate monthly child support using Wisconsin guidelines. Adjust both incomes, parenting time, and the number of children to see how each factor changes the amount.
Updated for 2026 Wisconsin guidelinesYour situation
Your estimate
Estimated monthly child support
$850/mo
paid by you to the other parent
Based on 17% of the paying parent's gross monthly income for 1 child. Health insurance added.
For an exact calculation, use the official Wisconsin child support calculator.
Estimate only. Not legal advice. Confirm current guidelines with the official Wisconsin child support agency.
How Wisconsin calculates child support
Wisconsin calculates child support as a percentage of the paying parent's gross income. The guideline percentages are 17% for one child, 25% for two, 29% for three, 31% for four, and 34% for five or more. A shared placement adjustment applies when both parents have at least 25% of overnights.
State-specific details including deviation factors, modification procedures, and enforcement rules are available through the official Wisconsin child support agency. Filing fees for divorce or custody proceedings in Wisconsin typically run $180 to $230. Family attorneys in Wisconsin generally charge $200 to $375 per hour.
- Wisconsin uses gross income of the paying parent
- Percentages are 17% for 1 child, 25% for 2, 29% for 3, 31% for 4, 34% for 5+
- Shared placement adjustment at 25% or more overnights (about 92 nights)
- Six months residency required to file
- A 120 day waiting period applies after filing before the divorce is finalized
Reach a child support agreement peacefully.
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