Missouri Child Support Calculator

Use average monthly amounts. Some fields are calculated automatically. After all information has been entered, click the "Calculate" button at the bottom of the form. Click here for general instructions. For specific  instructions, click the icon on the line for which help is needed. Calculations are made pursuant to Missouri Supreme Court Rule 88.01, including as amended by the court's correction order of October 5, 2021, (effective April 5, 2022). A filing-ready exhibit is generated by clicking the "PDF" button at the bottom of the form.  Adobe Acrobat Reader is required to view exhibits generated using the "PDF" button. Read this before proceeding.