Wisconsin Child Support Calculator
Estimate a monthly child support payment in Wisconsin using a national approximation.
⚠️ This is a rough educational estimate only, not legal advice. Actual child support amounts vary significantly by state guideline, court, and case specifics — consult a licensed family law attorney or Wisconsin's official child support guidelines.
How child support is calculated in Wisconsin
Wisconsin uses a Percentage of Income approach to its official child support guidelines. This calculator uses a simplified national approximation of the widely-used Income Shares Model (combining both parents' incomes, applying a percentage based on number of children, and splitting the obligation proportionally) regardless of which specific model your state uses, since fully replicating every state's exact worksheet is beyond the scope of a quick estimate tool.
Why this is a national approximation, not Wisconsin's exact worksheet
Wisconsin officially uses a Percentage of Income model rather than a pure Income Shares approach, so the real calculation method differs somewhat from what this simplified tool estimates. Treat this as a rough national ballpark, not Wisconsin's exact formula.
This is a rough educational estimate only, not legal advice. For an accurate number, use Wisconsin's official child support calculator or worksheet, or consult a licensed family law attorney.
Frequently Asked Questions
What child support guideline model does Wisconsin use?
Wisconsin officially uses a Percentage of Income model for its child support guidelines. This calculator uses a simplified national Income Shares approximation regardless of the exact model, so treat the result as a ballpark estimate rather than the official state figure.
Is this the exact amount a Wisconsin court will order?
No. This is a rough educational estimate, not legal advice. For an accurate number, use Wisconsin's official child support worksheet or calculator, or consult a licensed family law attorney.
How does parenting time affect child support in Wisconsin?
In most states, including many using this general model, the paying parent's obligation typically decreases as their share of overnights increases above a baseline (often around 20%). This calculator applies a simplified reduction above 20% parenting time.
Does this include childcare or health insurance costs in Wisconsin?
No, this simplified calculator only estimates the base obligation from income and number of children. Many real orders in Wisconsin add separate amounts for childcare, health insurance, and extraordinary expenses on top of the base figure.
Can child support amounts be modified later in Wisconsin?
Yes, most states — including Wisconsin — allow modification when there's a significant change in either parent's income, the child's needs, or the parenting time arrangement.
Is child support based on gross or net income in Wisconsin?
Most states use gross income (before taxes) as the starting point, though some make specific deductions. This calculator treats your entries as gross monthly income.