
Oklahoma Child Support Laws (2026): Guidelines & Calculator
Oklahoma uses the income shares model under 43 O.S. 118-119. Learn how support is calculated, when it ends, how to modify, and use the free calculator.
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Oklahoma uses the income shares model under 43 O.S. 118-119. Learn how support is calculated, when it ends, how to modify, and use the free calculator.

Kansas uses the Income Shares Model to set child support. Learn how DCSI, age brackets, parenting time adjustments, and 2025 HB 2062 changes affect your order.

Texas uses a Percentage of Income model: 20% for 1 child up to 40% for 5+, applied to net resources capped at $11,700/month (eff. Sept 1, 2025).

Alaska uses the Percentage of Obligor Income model under Civil Rule 90.3. Learn percentages, income cap, modifications, enforcement, and how to estimate support.

Missouri uses the Income Shares Model and Form 14 to calculate child support. Learn how guidelines work, modification rules, and enforcement under RSMo 452.340.

Illinois uses the Income Shares Model under 750 ILCS 5/505. Learn how guidelines work, shared parenting adjustments, modification rules, and college expenses.

Georgia uses the income shares model under O.C.G.A. 19-6-15. Senate Bill 454 added a mandatory parenting time adjustment and low-income adjustment effective January 1, 2026.

Idaho uses the Income Shares Model under IRFLP Rule 120. Learn how courts calculate support, shared custody adjustments, modification rules, and CSS enforcement tools.

Delaware uses the Melson Formula for child support. Learn how the 2026 self-support allowance, primary support amounts, and SOLA percentages are calculated.

New York child support uses CSSA percentages (17-35%) on combined income up to $193,000 (2026 cap). Support runs to age 21. Modify after 3 years or 15% income change.

Mississippi child support uses a percentage of adjusted gross income: 14% to 26% by number of children. Learn how to calculate, modify, and enforce a support order.

North Carolina uses income shares to calculate child support. Learn how the 2023 guidelines work, worksheets, modification rules, and enforcement options.