Child support on $40,000 a year in Michigan (4 children)
Michigan guidelines effective January 1, 2025. Michigan overview
If Parent A earns $40,000 a year, Parent B earns $40,000 and the children live mostly with Parent B (52 overnights a year with Parent A), Michigan's guideline amount is $1,091 a month (Parent A pays Parent B).
Across the table below it ranges from $679 paid by Parent B (Parent B earns $100,000, equal time) to $1,157 (Parent B has no income, Parent A has no overnights).
This is the guideline amount, not a court order.
Change the numbers
Guideline child support
Michigan · 4 children · Parent A $40000 per year · Parent B $40000 per year · children live mostly with Parent B
$1,091 a month
Parent A pays Parent B
- Parent A: 43.8% of combined income
- Parent B: 56.2%
How it adds up
- Combined income
- $6,249 a month
- Parent A's share of income
- 43.8%
- Parenting-time adjustment
- $1,062 a month
- Add-ons (child care and health costs)
- $29 a month
- Guideline amount
- $1,091 a month
See the worksheet for this example
- Net income was estimated with Michigan's standard assumptions (head of household for the parent the children live with, 2026 tax year). Your actual taxes may differ.
Michigan uses the income shares model under MCL 552.519(3)(a)(vi), 552.605; 2025 Michigan Child Support Formula. Official calculator: pcal.state.mi.us. Child support agency: Michigan Department of Health and Human Services, Office of Child Support.
Estimate under Michigan's child support guidelines effective January 1, 2025. Verified against the official Michigan sources on October 6, 2026. Not legal advice. Courts can deviate from the guidelines. How we calculate →
By parenting time and the other parent's income
| Overnights | $0 | $20,000 | $30,000 | $40,000 | $50,000 | $60,000 | $80,000 | $100,000 |
|---|---|---|---|---|---|---|---|---|
| 0 | $1,157 A→B | $1,131 A→B | $1,124 A→B | $1,119 A→B | $1,080 A→B | $1,052 A→B | $1,006 A→B | $968 A→B |
| 52 | $1,145 A→B | $1,114 A→B | $1,100 A→B | $1,091 A→B | $1,050 A→B | $1,020 A→B | $970 A→B | $929 A→B |
| 104 | $1,058 A→B | $991 A→B | $931 A→B | $892 A→B | $834 A→B | $790 A→B | $713 A→B | $648 A→B |
| 128 | $965 A→B | $859 A→B | $749 A→B | $679 A→B | $603 A→B | $545 A→B | $439 A→B | $349 A→B |
| 182 | $612 A→B | $460 A→B | $244 A→B | $33 A→B | $170 B→A | $287 B→A | $495 B→A | $679 B→A |
The Michigan worksheet for this example
| Line | Official label | Value |
|---|---|---|
| 2.07 | Net income (Parent A)Parent A's monthly net income | $2,739.23 a month |
| 2.07 | Net income (Parent B)Parent B's monthly net income | $3,509.90 a month |
| 3.01 | Parent A's percentage shareParent A's share of combined net income | 43.83% |
| 3.02 | Base support obligation (Parent A)Parent A's base support | $1,090.00 a month |
| 3.02 | Base support obligation (Parent B)Parent B's base support | $1,400.00 a month |
| 3.03 | Parental time offsetSupport after the parenting-time offset | $1,062.00 a month |
| FOC 10 | Ordinary medicalPaying parent's share of ordinary medical costs | $29.00 a month |
| FOC 10 | TotalGuideline amount | $1,091.00 a month |
With child care and health insurance
| Costs | Guideline amount |
|---|---|
| No add-ons | $1,091 a month A→B |
| Child care $500 a month | $1,252 a month A→B |
| Child care $1,000 a month | $1,471 a month A→B |
| Health insurance $150 a month | $1,157 a month A→B |
| Health insurance $300 a month | $1,222 a month A→B |
The paying parent also pays their share of the ordinary medical amount ($200 a year for one child). The children's health insurance premium and child care are shared by each parent's percentage and offset.
Things to know about this example
- Net income was estimated with Michigan's standard assumptions (head of household for the parent the children live with, 2026 tax year). Your actual taxes may differ.
How Michigan works it out
Michigan works out each parent's base support from the parents' combined net income using the General Care Support Table, then offsets the two amounts for parenting time.
Net income is all income minus actual income taxes, Social Security and Medicare, mandatory work deductions and the parent's own health coverage. This estimate works out taxes from gross income with standard assumptions.
Every overnight counts: the parental time offset weighs each parent's base support by their overnights raised to the power of 2.5. With equal time the parent with the higher income pays some support.
Frequently asked questions
How much child support is paid on $40,000 in Michigan for 4 children?
If Parent A earns $40,000 a year, Parent B earns $40,000 and the children live mostly with Parent B (52 overnights a year with Parent A), Michigan's guideline amount is about $1,091 a month (Parent A pays Parent B).
How much is that a week?
That is about $252 a week (the monthly amount × 12 ÷ 52).
What if the parents share time equally?
With about equal parenting time and the same incomes, the guideline amount is about $33 a month (Parent A pays Parent B).
What if Parent B has no income?
If Parent B has no income and the children live mostly with Parent B, the guideline amount is about $1,145 a month (Parent A pays Parent B).
Official sources and verification
- Law: MCL 552.519(3)(a)(vi), 552.605; 2025 Michigan Child Support Formula
- Michigan child support guidelines
- Uniform Child Support Order (FOC 10)
- Official Michigan child support calculator
- Michigan Department of Health and Human Services, Office of Child Support
- Changing a Michigan child support order
Guidelines effective January 1, 2025. Verified against the official Michigan sources on October 6, 2026. How we calculate →