Estimate Missouri child support under Mo. Sup. Ct. R. 88.01 (Form 14) — Income Shares model, current caps and percentages, with a step-by-step worked example.
| Guideline model | Income Shares |
|---|---|
| Income basis | Gross (pre-tax) income |
| How it works | Both parents’ incomes are combined, a basic obligation is taken from the state’s official schedule, and each parent pays in proportion to their share of combined income. |
| Statute / rule | Mo. Sup. Ct. R. 88.01 (Form 14) |
| Parameters verified | pending full verification (model and statute confirmed) |
Result: $1,020 - $1,380 per month (simplified range)
Missouri uses the income shares model under Mo. Sup. Ct. R. 88.01 (Form 14): both parents’ incomes are combined, a basic obligation is determined, and each parent is responsible for their proportional share. The paying parent’s share becomes the support order.
Missouri calculates support on gross (pre-tax) income as defined in Mo. Sup. Ct. R. 88.01 (Form 14).
Yes. The guideline amount under Mo. Sup. Ct. R. 88.01 (Form 14) is presumptive, not absolute - courts may deviate with written findings for factors like extraordinary medical or educational needs, other children supported, or very high income beyond the guideline range.
Apply through the Missouri child support agency or the family court in your county. Existing orders can be modified on a substantial change in circumstances - typically a significant income change, job loss, or a change in custody. The official calculator/worksheet is linked on this page (dss.mo.gov).
Estimate only — not legal advice. Based on Missouri guidelines (Mo. Sup. Ct. R. 88.01 (Form 14)). Courts may deviate. For an official figure use the official Missouri calculator.