Child Support Payment Calculator
Child support calculations depend on the obligor's net income and number of dependent children. This calculator estimates typical child support percentages based on standard state guidelines and the payor's net salary. Updated for 2026, it helps parents and obligors understand approximate monthly obligations for informed financial planning.
When to use this calculator
- Estimating child support obligations before legal proceedings
- Understanding typical payment percentages by dependent count
- Financial planning for obligors and custodial parents
- Comparing scenarios based on salary or child count changes
- Quick reference for child support guideline estimates
Example Calculation
- $1M monthly salary, 1 child
- $250k/month
How it works
1 min readHow Child Support Is Calculated
Child support is calculated by multiplying the obligor's net monthly income by a percentage based on the number of dependent children. Most states follow the income shares model.
Typical Guidelines by Child Count
Important Considerations
Actual child support amounts may vary based on:
Disclaimer
This calculator provides estimates based on typical state guidelines. For accurate calculations tailored to your situation, consult a family law attorney. Values are current as of 2026 and may change with new legislation.
Frequently asked questions
How is child support amount calculated?
Child support is calculated using the obligor's net income multiplied by a percentage based on the number of children. Most states follow the income shares model.
What percentage of salary goes to child support?
Typical percentages are: 1 child = 20–25%, 2 children = 30–35%, 3+ children = 40% or more. Actual amounts depend on your state and both parents' incomes.
Does child support cover health insurance?
Child support typically covers basic needs: food, housing, and education. Health insurance is often ordered separately as an additional obligation.
How long must I pay child support?
In most states, child support continues until the child turns 18, or 19–21 if still in high school or enrolled full-time in college.
Can child support be modified?
Yes. Either parent can request a modification if there's a significant change in income, employment, or custody. Courts may also review periodically.
What happens if child support isn't paid?
Enforcement actions include wage garnishment, tax refund interception, license suspension, and potential contempt of court charges.
Does this calculator apply to my state?
This is a general estimate based on typical state guidelines. Child support laws vary by state. Consult your state's child support office or family law attorney for specific amounts.
Is this calculator free?
Yes, all our calculators are completely free and require no registration.