Child Support

QUICK SUPPORT calculator

Get an idea of an obligation

Percentage of Income calculation 

If you have less than 25% placement (3 days every two weeks or less). this will calculate your obligation.

Shared Parenting child support calculator

Over 25% placement time with children up to equal (50%).  Calculation uses both parents income as well as child placement time to calculate obligations.

Complete info on the entire support obligation process

Considered an attorneys reference. .

WI statutes regarding support

Legislative guidelines that are followed primarily. Judges can deviate from this.

How to modify an obligation when incomes change

Every two years or if incomes change more than 10% you can file for a modification.

Useful Links

Child Support Information

Below we have included more informational links regarding child support


Maximum obligation:

Low income support tables : 150_c.pdf (

High Income support worksheet

Maximum birth cost recovery (low income) : 150_d.pdf (

WI CS home page:

When CS ends

Modification when both parents agree:

Modification of Child support by ONE parent

Child Support Incentive Program how it works:

Child Support Cost study vs Std of Living Costs: