How is child support calculated in Wisconsin? When it comes to the percentage of a parent’s gross income that will contribute to child support payments, the state’s standard formula is as follows:

• 1 child 17%
• 2 children 25% 
• 3 children 29%
• 4 children 31% 
• 5 or more 34%

There are several guidelines that may be utilized when determining child support in Wisconsin. The guideline used is dependent on the amount of time spent with the child, as well as each parent’s income. These matters can become complicated. For guidance through establishing, reviewing and modifying support when appropriate, contact Kowalski, Wilson & Vang, LLC. 

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