Oklahoma Child Support Calculator
Estimate child support under 43 O.S. § 118 through § 119. Calculate baseline support, parenting time overnights, health insurance credits, and work-related childcare costs.
1. Enter Case Information
OK RulesEstimated Child Support
OK EstimateUnderstanding Oklahoma Child Support Guidelines
Oklahoma utilizes an Income Shares model under 43 O.S. § 118. Both parents' gross monthly incomes are combined to determine basic support, apportioned based on relative income shares.
Shared Custody & Overnights in Oklahoma
Oklahoma provides a Shared Parenting Time adjustment under 43 O.S. § 118E when a parent has the child for more than 120 overnights per year, using an offset formula.
Calculate Your Exact Overnights →Official Court Worksheets & Forms
Family court filings in Oklahoma require completing: Oklahoma Child Support Services Guidelines Computation Form. Review official forms before filing.
View State Worksheets Directory →Worked Calculation Example: Standard Oklahoma Scenario
Here is a realistic line-by-line computation for two parents in Oklahoma raising 2 children:
| Guideline Worksheet Line Item | Parent A (Paying) | Parent B (Receiving) | Combined / Order Total |
|---|---|---|---|
| Monthly Guideline Income | $4600 | $3100 | $7700 |
| Parental Income Proportion | 60% | 40% | 100% |
| Basic Child Support Schedule Obligation | - | - | $1280 /mo |
| Work-Related Childcare Cost | - | - | +$360 /mo |
| Health & Dental Insurance Premium | - | - | +$200 /mo |
| Total Combined Child Financial Needs | - | - | $1840 /mo |
| Final Estimated Monthly Support Order | Paid by Parent A to Parent B | $1040 /month | |
Frequently Asked Questions in Oklahoma
Key legal questions regarding child support establishment, modifications, and enforcement in Oklahoma.
When does the parenting time adjustment apply in Oklahoma?
Under 43 O.S. § 118E, the parenting time adjustment applies when a parent has court-ordered physical custody for more than 120 overnights per calendar year.
Does Oklahoma allow deductions for other children in the home?
Yes. Under 43 O.S. § 118C, a parent may receive a credit for natural or adopted children in their primary home who are not subject to the current child support action.
How does Oklahoma treat medical insurance premiums?
The actual monthly cost of health, dental, and vision insurance paid for the children is credited to the parent paying the premium.
Next Useful Steps for Your Case
Take the next step in preparing your family financial documentation:
Convert Irregular Income
Standardize hourly wages, seasonal overtime, or commissions into monthly gross figures.
Launch Income Tool →Explore 50/50 Custody
See how equal time sharing and reciprocal guidelines impact final transfer payments.
50/50 Custody Tool →Download Official Worksheets
Find the exact PDF court forms and financial affidavits required by your court clerk.
Court Worksheets Directory →