Child Support Calculation Worksheet

IMPORTANT: THIS IS A PREPARATION GUIDE — NOT THE OFFICIAL COURT WORKSHEET

Oklahoma requires the use of the official Child Support Computation Form pursuant to 43 O.S. Section 120 for child support calculations.
This template provides the substantive content and calculation methodology to help you
prepare — but you must transfer your figures to the official computation form before filing.
The official form is available at https://oklahoma.gov/okdhs/services/child-support-services/computation.html.
Do not file this document directly with the court.

CHILD SUPPORT CALCULATION WORKSHEET

State of Oklahoma

Court: [________________________________]
County: [________________________________]
Case No.: [________________________________]
Judge: [________________________________]

TABLE OF CONTENTS

1. Party and Children Identification
2. Calculation Model
3. Gross Income Determination
4. Adjustments to Income
5. Child Support Obligation Formula
6. Healthcare Expenses
7. Childcare Expenses
8. Extraordinary Expenses
9. Deviation Factors
10. Duration and Termination
11. State-Specific Notes

1. PARTY AND CHILDREN IDENTIFICATION

Obligor (Non-Custodial Parent):

• Full Name: [________________________________]
• Date of Birth: [__/__/____]
• Social Security No. (last 4): [____]
• Employer: [________________________________]

Obligee (Custodial Parent):

• Full Name: [________________________________]
• Date of Birth: [__/__/____]
• Social Security No. (last 4): [____]
• Employer: [________________________________]

Children Subject to This Order:

Custody Arrangement:
☐ Sole Custody
☐ Joint Custody
☐ Split Custody (children divided between parents)

2. CALCULATION MODEL

Model: Income Shares Model per 43 O.S. § 118
Number of Children: [____]

3. GROSS INCOME DETERMINATION

4. ADJUSTMENTS TO INCOME

5. CHILD SUPPORT OBLIGATION FORMULA

Step 1: Combined Adjusted Gross Income: $[________]

Step 2: Base Obligation from OK Schedule (for [__] children): $[________]

Step 3: Each Parent's Percentage of Combined Income:

• Obligor: $[________] / $[________] = [____]%
• Obligee: $[________] / $[________] = [____]%

Step 4: Each Parent's Share of Base Obligation:

• Obligor: $[________] x [____]% = $[________]
• Obligee: $[________] x [____]% = $[________]

Step 5: Parenting Time Adjustment (if applicable):

• Obligor's Annual Overnights: [____]
• ☐ Standard (120 or fewer) — No adjustment
• ☐ More than 121 overnights — Shared parenting adjustment per 43 O.S. § 118E

6. HEALTHCARE EXPENSES

☐ Obligor shall maintain health insurance
☐ Obligee shall maintain health insurance
☐ Uninsured medical expenses divided: Obligor [____]% / Obligee [____]%

7. CHILDCARE EXPENSES

• Obligor's Share: $[________] x [____]% = $[________]
• Obligee's Share: $[________] x [____]% = $[________]

8. EXTRAORDINARY EXPENSES

9. DEVIATION FACTORS

☐ No deviation requested
☐ Deviation requested based on:

☐ Special needs of the child
☐ Shared parenting arrangement
☐ Educational expenses
☐ Medical expenses not covered by insurance
☐ Assets of the child
☐ Income disparity between parents
☐ Other: [________________________________]

Deviation Amount: $[________] per month
Written Justification: [________________________________]

10. DURATION AND TERMINATION

Child support continues until the earliest of:

• Child reaches age 18 (or 20 if still in high school)
• Child marries or is emancipated
• Child enters military service
• Child dies
• Further order of the court

11. STATE-SPECIFIC NOTES

• Maximum Combined Income on Schedule: $15,000/month. Above this, the court exercises discretion per 43 O.S. § 119.
• Income Imputation: Under 43 O.S. § 118B(D), income may be imputed to voluntarily unemployed or underemployed parents.
• Computation Form Required: 43 O.S. § 120 requires the signed computation form to be attached as an exhibit to the order.
• Quadrennial Review: Oklahoma reviews guidelines every four years per 43 O.S. § 119.1.
• Financial Disclosure: 43 O.S. § 118.1 requires both parties to disclose financial status.

SUMMARY OF CHILD SUPPORT OBLIGATION

Net Amount to be Paid by [________________] to [________________]: $[________] per month

Prepared By: [________________________________]
Date: [__/__/____]
OBA No.: [________]

Sources and References:

• Oklahoma Child Support Computation
• 43 O.S. §§ 118–120
• Oklahoma Child Support Guidelines Schedule