Missouri Child Support Calculator

Use average monthly amounts in the form below. Some fields are calculated automatically. When done, click the "Calculate" button at the bottom of the form. Click here for general instructions. For specific  instructions, click on the line below for which help is needed. Please read this notice before proceeding. This form performs low income calculations per Missouri Supreme Court Rule 88.01, effective July 1, 2017 (as clarified by Order of 6/30/2017). See Line 5 instructions.