Wisconsin Judicial Jurisdiction (WI)

Wisconsin Child Support Calculator

Estimate child support under Wisconsin Administrative Code Chapter DCF 150. Calculate baseline support, parenting time overnights, health insurance credits, and work-related childcare costs.

Legal Model: Percentage of Obligor Income Model
Updated for 2026 Guidelines

1. Enter Case Information

WI Rules
$ /mo
Net monthly resources after tax withholdings
$ /mo
Used for shared custody offset
nights/yr
365 nights per year total (182.5 = 50/50 equal custody)
Common Schedule Presets:
$ /mo
Incremental monthly premium to cover the children
$ /mo
Monthly out-of-pocket work-related daycare costs
Children from prior or subsequent relationships not part of this order

Estimated Child Support

WI Estimate
Total Estimated Obligation
$0
per month
Important Notice: This figure is a computational estimate based on Wisconsin Administrative Code Chapter DCF 150. Final child support orders may deviate based on judicial discretion, extraordinary expenses, or tax adjustments.
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Understanding Wisconsin Child Support Guidelines

Wisconsin uses the Percentage of Obligor Income standard under DCF 150: 17% for 1 child, 25% for 2, 29% for 3, 31% for 4, and 34% for 5 or more children.

Shared Custody & Overnights in Wisconsin

Under DCF 150.035, when each parent has the child for at least 25% of the year (92 overnights), the shared-time payer formula applies: each parent's basic obligation is calculated and cross-credited.

Calculate Your Exact Overnights →

Official Court Worksheets & Forms

Family court filings in Wisconsin require completing: Wisconsin Child Support Percentage of Income Worksheet. Review official forms before filing.

View State Worksheets Directory →

Worked Calculation Example: Standard Wisconsin Scenario

Here is a realistic line-by-line computation for two parents in Wisconsin raising 2 children:

Guideline Worksheet Line Item Parent A (Paying) Parent B (Receiving) Combined / Order Total
Monthly Guideline Income $5000 $3500 $8500
Parental Income Proportion 100% 0% 100%
Basic Child Support Schedule Obligation - - $1250 /mo
Work-Related Childcare Cost - - +$380 /mo
Health & Dental Insurance Premium - - +$200 /mo
Total Combined Child Financial Needs - - $1830 /mo
Final Estimated Monthly Support Order Paid by Parent A to Parent B $1250 /month

Frequently Asked Questions in Wisconsin

Key legal questions regarding child support establishment, modifications, and enforcement in Wisconsin.

What are the standard child support percentages in Wisconsin? +

Under DCF 150.03(1), standard percentages are: 17% for 1 child, 25% for 2, 29% for 3, 31% for 4, and 34% for 5 or more children.

How does the shared-time payer formula work in Wisconsin? +

Under DCF 150.035, when a parent has the child for at least 92 overnights (25%), support is reduced proportionally based on the percentage of overnights.

What is the low-income payer formula in Wisconsin? +

DCF 150.04(4) provides a reduced percentage table for low-income obligors whose monthly gross income falls between 75% and 150% of the federal poverty guidelines.

Next Useful Steps for Your Case

Take the next step in preparing your family financial documentation:

Convert Irregular Income

Standardize hourly wages, seasonal overtime, or commissions into monthly gross figures.

Launch Income Tool →

Explore 50/50 Custody

See how equal time sharing and reciprocal guidelines impact final transfer payments.

50/50 Custody Tool →

Download Official Worksheets

Find the exact PDF court forms and financial affidavits required by your court clerk.

Court Worksheets Directory →