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Free Michigan child support calculator aligned with the MCSF income-shares approach. Enter each parent’s net monthly income to estimate combined net, look up a base support obligation from an MCSF-anchored guideline schedule (interpolated), and apply pro-rata shares. See more legal and compliance calculators for other states.
Last updated: April 19, 2026
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Michigan uses net income per the MCSFM (simplified entry—deductions not itemized here).
Monthly payment estimate
$1,378.12
Total basic obligation
$2,296.86
Combined net / mo
$10,000.00
NCP pro-rata
60.00%
CP pro-rata
40.00%
Schedule cap (node)
$35,000.00+
Educational estimate only
This does not replace the official Michigan Child Support Formula Manual, overnight adjustments, medical support, or tax-dependent deductions. Use the Friend of the Court worksheet or approved software for your case.
MCSFM focus
Net, not gross
Michigan’s formula relies on net income after permitted adjustments—simplified here.
Pro-rata model
NCP pays × (NCP ÷ combined)
Applies each parent’s percentage of combined net income to the base obligation.
Calibration
MCSF $5k / 2-child anchor
Smooth interpolation between income nodes; not every manual bracket line.
Output
Monthly dollars to pay
Shows the payer’s share of the base obligation before add-ons and offsets.
Children count
1 – 6 children
Uses schedule columns aligned to the MCSF-anchored scale.
Use case
Screening & questions
Helps you compare scenarios before Friend of the Court or counsel review.
For $4,000 custodial and $6,000 non-custodial net monthly income with two children ($10,000 combined net):
Estimated NCP monthly payment
$1,378.12
Basic obligation (2 children)
$2,296.86
Our Michigan child support calculator follows the income-shares structure used in the MCSFM: combine parents’ net monthly incomes, determine a base monthly obligation from the General Care Support concept (here, an interpolated schedule calibrated to a published two-child illustration at $5,000 combined net), then allocate that base obligation by each parent’s percentage of combined net income. The non-custodial parent’s estimated payment is their pro-rata share of the base amount. See other family-law calculators for comparison.
Basic obligation = Schedule lookup(combined net income, # children)NCP payment = Basic obligation × (NCP net ÷ combined net)Combined net is compared to schedule points up to $35,000.00 per month in this tool; higher incomes extrapolate from the top segment.
MCSF income shares + base support (conceptual)
Illustrative result: basic two-child obligation ≈ $2,296.86; NCP payment ≈ $1,378.12 (before offsets and add-ons).
Same $10,000 combined net: select one child in the calculator to see a lower base obligation and a proportional NCP payment.
Very high combined net may extrapolate—confirm with the current MCSF manual and FOC software.
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