Calculate Child Support
Before taxes. Include wages, self-employment, bonuses.
0 = no custody · 91 = 25% · 182 = 50/50 · 365 = full custody
$0
estimated monthly support payment
⚠️ Estimate only. Actual court-ordered amounts may vary. Verify with a licensed Mississippi family law attorney.
ℹ️ Mississippi uses the Percentage of Income — Mississippi uses a percentage of the non-custodial parent's adjusted gross income. Support ends at 21.
How Child Support Works in Mississippi
Mississippi uses the Percentage of Income to determine child support obligations.
The Percentage of Income model applies a fixed percentage of the non-custodial parent's income based on the number of children. Rates: 1 child = 14%, 2 = 20%, 3 = 22%, 4 = 24%, 5+ = 26%.
How Mississippi Compares to Other States
See how Mississippi's child support rules compare to other states.
| State | Formula | Support Ends | Arrears Rate | Mod. Threshold |
|---|---|---|---|---|
| ★ Mississippi (you) | Percentage of Income | 21 | 8% | 15% |
| Delaware | Melson Formula | 18 | 5% | 10% |
| Idaho | Percentage of Income | 18 | 5% | 15% |
| Michigan | Income Shares | 18 | 5% | 10% |
| Ohio | Income Shares | 18 | 5% | 10% |
| Alaska | Percentage of Income | 18 | 6% | 15% |
| Florida | Income Shares | 18 | 6% | 15% |
| Louisiana | Income Shares | 18 | 6% | 25% |
| New Hampshire | Income Shares | 18 | 6% | 15% |
Showing 8 comparison states. View all 50 states →
Frequently Asked Questions
How is child support calculated in Mississippi?
Mississippi uses the Percentage of Income model. Mississippi uses a percentage of the non-custodial parent's adjusted gross income. Support ends at 21.
When does child support end in Mississippi?
Child support generally ends when the child turns 21 in Mississippi.
Can I modify child support in Mississippi?
Yes. Mississippi requires a 15% or greater change in income to qualify. Use our modification checker →
Does 50/50 custody eliminate child support in Mississippi?
Not automatically. The higher-earning parent typically still pays support with 50/50 custody. See our 50/50 guide →
What income is used for child support in Mississippi?
Income includes wages, self-employment, bonuses, rental income, unemployment benefits, disability payments, and Social Security. Courts may impute income if a parent is voluntarily underemployed.