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Michigan Child Support Calculator
Live Calculator
Michigan uses the Michigan Child Support Formula (MCSF), an income shares model. Both parents net income is considered. The formula calculates a base support obligation using tables, then allocates proportionally. Parenting-time offset applies based on overnight counts.
Children & Custody
Income
Adjustments
Results
Children & Custody
Drag the slider to set how overnights are divided between parents.
Parent 1 (Custodial)Parent 2 (Non-Custodial)
Double-click slider to reset to 50/50
nights (69.9%)
(30.1%)nights
Parenting-Time Offset
Michigan applies a parenting-time offset when the non-custodial parent has 128 or more overnights per year.
128+ overnights for Parent 2 triggers the offset formula
Disclaimer
This calculator provides estimates only. It is not a substitute for legal advice. Court-ordered amounts may differ based on your specific circumstances.
How Michigan Calculates Support
Model:Income Shares (Michigan Child Support Formula – MCSF)
Income Basis:net income (both parents)
Formula:Michigan uses the Michigan Child Support Formula (MCSF), an income shares model. Both parents net income is considered. The formula calculates a base support obligation using tables, then allocates proportionally. Parenting-time offset applies based on overnight counts.
What You'll Need
- Number Of Children On Order*
- Parent A Net Income*
- Parent B Net Income*
- Parenting Time Overnights*
- Other Support Obligations
* Required fields — optional items shown in gray