Washington Child Support Calculator

This Washington Child Support Calculator makes Washington child support calculations using the Washington child support formula. Learn more.

The Washington Child Support Calculator currently uses the California child support formula to make child support calculations and provides an estimate of a potential child support award in the State of Washington. The Washington Child Support Calculator will be updated as soon as possible to use the Washington child support formula. If you would like to see the State of Washington prioritized, then leave a comment in the forum or send an email to support.

Income

Parent One Income Interval Net Income

Parent Two Income Interval Net Income

Children

Please enter the parents' parenting time percentages for each child in ascending order, starting with the youngest child. The order of entry will be used to determine marginal child support per child.

Parent One

Parenting Time Percentage with Child 1

Select Manual