Ohio Child Support Calculator
General information, not legal advice.
The calculation could not be completed right now. Please try again.
How Ohio sets child support
Ohio sets child support by the income shares method under ORC 3119.01. The rule has been in force since June 1, 2023.
- Coverage
- Calculated by the support engine
- Method
- income shares
- Source
- ORC 3119.01, 3119.021, 3119.022, 3119.04, 3119.05, 3119.051, 3119.06, 3119.30; OAC 5101:12-1-17 (eff. 2026-04-01) and 5101:12-1-99; JFS 07767/07766/07768/07769
- In force from
- June 1, 2023
- Rule version
- 2023-06-01
- Inputs it needs
- Children, Parent A annual income, Parent B annual income, Payor
- Optional inputs
- Between rows, Other children A, Other children B, Health premium paid by A, Health premium paid by B, Spousal support paid by A, Spousal support paid by B, Overnights 90 A, Overnights 90 B, Derivative benefits A, Derivative benefits B, Child care, Child care tax credit annual
Rule details as of 2026-10-25. The calculator above reads the current rule. Where the rule gives no formula, no figure is shown.
Turn this estimate into a brief for your case
Upload your documents and get a sourced brief: your key facts, support figures with every step shown, and your state’s rules.
