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Financial

Child Support Calculator — Missouri

Estimate child support payments in Missouri using the state's official formula. Missouri follows equitable distribution.

Property Type

Equitable

Filing Fee

$135–$225

Median Cost

$8,000–$33,000

Annual Divorces

22,000+

Understanding Child Support Calculator in Missouri

Missouri is an equitable distribution state. Courts divide marital property in a manner they consider fair, which may not be equal. Factors include length of marriage, each spouse's earning capacity, and contributions to the marital estate.

The median cost of an uncontested divorce in Missouri is approximately $8,000. Contested divorces involving significant financial disputes average $33,000. These figures include attorney fees, filing fees ($135–$225), and related costs.

Under Mo. Rev. Stat. §452.305, Missouri courts consider the standard of living established during the marriage, each spouse’s income and earning potential, the duration of the marriage, and each party’s contributions — including homemaking and child-rearing.

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Common Questions

How long do you have to live in Missouri to file for divorce?
Missouri requires 90 days of residency before you can file for divorce. Mo. Rev. Stat. §452.305 governs the filing requirements.
Is Missouri a community property or equitable distribution state?
Missouri follows equitable distribution rules, meaning the court divides marital assets fairly but not necessarily equally.
How much does a divorce cost in Missouri?
Filing fees in Missouri range from $135–$225. The median total cost is approximately $8,000 for uncontested divorces and $33,000 for contested cases.
How long does a divorce take in Missouri?
Missouri has a mandatory waiting period of 30 days. Uncontested divorces typically finalize in 2–4 months, while contested cases can take 12–18 months or longer.
How is child support calculated in Missouri?
Missouri uses the Income Shares model, based on both parents' combined income. The formula considers both parents' incomes, number of children, health insurance costs, and childcare expenses.

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Related Resources

This page provides general information about child support calculator in Missouri and is not legal advice. Verify current statutes with Mo. Rev. Stat. §452.305 or consult a licensed Missouri attorney. Last reviewed March 2026.