Missouri Child Support Calculator (2026)

NOTE: For support cases filed before January 1, 2026, use this link. Use average monthly amounts. Some fields are calculated automatically. After all information has been entered, click the "Calculate" button, below. General instructions are here. 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, effective January 1, 2026. A filing-ready exhibit is generated by clicking the "PDF" button, below. Read this before proceeding.

Form No. 14 - Presumed Child Support
County:    Case No: 
Petitioner:  Prepared By: 
 Respondent:  Paying Parent:   
Receiving
Person		 Paying
Parent
Combined
1. a. MONTHLY GROSS INCOME OF EACH PARENT
b. Maintenance paid by   parent to the other Amount:
2. a. Minus child support ordered paid to a third party
b. Minus court ordered maintenance paid to others
c. i. Number of other children in custody  
    ii.  Minus credit for other children in custody
    iii.  Plus ordered support received for other children
3. ADJUSTED MONTHLY GROSS INCOME FOR SUPPORT
4. Proportionate share of adjusted income (%)
5. BASIC SUPPORT FOR CHILD(REN)    
6. a. i. Plus work-related child care costs
    ii.  Minus federal tax credit
b. Plus health insurance costs for child(ren) of this proceeding
c. Plus uninsured, agreed-upon or ordered, medical costs
d. Plus other, agreed-upon or ordered, extraordinary costs
7. Total additional child rearing costs 
8. COMBINED CHILD SUPPORT AND REARING COSTS    
9. Support obligation of each parent
10. Credit for paying parent's line 7 child-care costs  
11. Adjust for overnights of  days Force credit:
12. PRESUMED CHILD SUPPORT AMOUNT
Form Prepared: July 8, 2026 Reset     Rev. per Order of March 4, 2025