CalculatorMinnesota

Minnesota Child Support Calculator

Free AI-powered calculator using Minnesota's official statutory formula.

How Minnesota Calculates It

Minnesota calculates child support using the income shares model under Minnesota Statutes Chapter 518A, combining both parents' gross monthly incomes into a Parental Income for Child Support (PICS) figure, then applying the guideline table in § 518A.35 to determine the total obligation — which is split proportionally based on each parent's share of combined income. Minnesota's child support formula has three distinct components: basic support (housing, food, clothing, transportation), medical support (health and dental insurance plus uncovered expenses), and child care support (daycare costs for working or student parents). The guideline table in § 518A.35 caps combined PICS at $20,000 per month — parents earning above this threshold pay the same basic support as those at the cap unless a court finds the child has demonstrated special needs. Parenting time directly affects the calculation. Under Minnesota law, a parent with more than 55% of court-ordered parenting time has a rebuttable presumption of zero basic support obligation.

When parents share parenting time equally but have unequal incomes, the combined basic support is multiplied by 0.75 and the difference is paid to the lower-earning parent. Minnesota also protects obligors from poverty: a self-support reserve equal to 120% of the federal poverty guidelines for one person is subtracted before calculating the support obligation under § 518A.42. Child support in Minnesota generally continues until the child turns 18, or age 20 if the child is still attending high school full-time. The Minnesota Department of Human Services provides an official online calculator (Version 4.2, updated February 2026) at childsupportcalculator.dhs.state.mn.us.

With median attorney hourly rates of $350 and median contested dissolution of marriage costs reaching $12,000, understanding your estimated obligation before consulting an attorney can save significant legal fees. As of March 2026 — verify current figures with your local court clerk.

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Child Support Calculator

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Frequently Asked Questions

How is child support calculated in Minnesota?

Minnesota uses the income shares model under § 518A.35, combining both parents' gross monthly incomes into a Parental Income for Child Support (PICS) figure. The court applies the guideline table to determine a total basic support obligation, then divides it proportionally based on each parent's percentage of combined income. The formula also includes separate calculations for medical support and child care support.

What income is used for Minnesota child support calculations?

Minnesota uses each parent's gross monthly income before deductions for taxes, Social Security, pensions, or health insurance under § 518A.29. Gross income includes wages, salaries, commissions, bonuses, self-employment income, and investment returns. Courts deduct any existing court-ordered child support or spousal maintenance paid for non-joint children before calculating PICS.

How does custody affect child support in Minnesota?

Parenting time significantly impacts Minnesota child support. Under § 518A.36, a parent with more than 55% of court-ordered parenting time has a rebuttable presumption of zero basic support obligation. When parents split time equally but have unequal incomes, the combined basic support is multiplied by 0.75, and the lower-earning parent receives the net difference from the higher earner.

Can child support be modified in Minnesota?

Minnesota allows child support modification when circumstances have substantially changed under § 518A.39. A modification is presumed if the current guideline calculation differs from the existing order by at least 20% and $75 per month. Either parent can file a motion with the court, and the cost-of-living adjustment process is automatic every two years unless a parent opts out.

What expenses are included in Minnesota child support?

Minnesota child support covers three components: basic support (housing, food, clothing, transportation, and education), medical support (health and dental insurance premiums plus uncovered medical and dental costs), and child care support (daycare expenses when a parent works or attends school). Extraordinary expenses like a child's disability needs may justify a deviation above the guideline amount under § 518A.43.

Is there a minimum or maximum child support amount in Minnesota?

Minnesota caps the guideline table at $20,000 per month in combined parental income under § 518A.35, Subd. 3 — parents earning above this threshold pay the same basic support as those at the cap. Courts may exceed this cap only for a child with a disability or demonstrated special need. On the low end, the self-support reserve under § 518A.42 ensures obligors retain at least 120% of the federal poverty guideline for one person.

How long does child support last in Minnesota?

Minnesota child support generally continues until the child turns 18 under § 518A.26. If the child is still attending high school full-time, support extends to age 20. Support may also continue indefinitely if the child has a disability that prevents self-sufficiency. Emancipation events such as marriage or military enlistment can terminate the obligation earlier.

What happens if a parent doesn't pay child support in Minnesota?

Minnesota enforces unpaid child support aggressively. Under § 518A.72, a parent owing arrears equal to three or more months of total support can face contempt proceedings, including up to 32 hours per week of community service or jail time. The state can also suspend driver's licenses (§ 518A.65), occupational licenses, and recreational licenses, intercept state and federal tax refunds, seize bank accounts, and report arrears to credit bureaus.

Official Statute

Official Statute

Minnesota Statutes Chapter 518A — Child Support
Verified .gov source

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