Free Child Support Calculator for Every State
Estimate child support payments using our free Child Support Calculator tools. Whether you’re calculating support in Texas, California, Florida, New York, or another state, our calculators are designed to help you understand state-specific child support guidelines quickly and easily.
✔ Free to use
✔ State-specific calculations
✔ Updated guidelines
✔ Fast and easy estimates
CHILD SUPPORT TOOLS
50 STATES
BY STATE
Child Support Calculator by State
Every state has its own child support formula. Select your state below to use the appropriate Child Support Calculator.

HOW IT WORKS
How Does the Child Support Calculator Work?
Our Child Support Calculator estimates payments using the child support guidelines established by each state. While every state uses different formulas, most calculations consider:
SPECIALIZED TOOLS
Special Child Support Calculators
Some situations require additional calculations beyond standard child support guidelines.
Military Child Support Calculator
VA Disability Child Support Calculator
Alimony and Child Support Calculator
How it calculated
How Is Child Support Calculated?
Learn how child support is calculated across the United States or view detailed state-specific guides.
Guides
How Is Child Support Calculated?
How Is Child Support Calculated in Texas?
How Is Child Support Calculated in California?
How Is Child Support Calculated in Florida?
How Is Child Support Calculated in Georgia?
How Is Child Support Calculated in New York?
How Is Child Support Calculated in Pennsylvania?


FEATURED TOOLS
Find the Right Child Support Calculator
Use our free state-specific calculators to estimate child support based on the guidelines that apply in your state. Choose a calculator for Texas, California, Florida, New York, or any other U.S. state.
YOUR QUESTIONS, ANSWERED
Frequently Asked Questions
Have questions about child support calculations? Find clear answers about how child support is calculated, what factors affect payments, and how to use our state-specific Child Support Calculator tools.
How is child support calculated?
Child support is generally calculated using the child support guidelines established by the state where the case is handled. The calculation may consider factors such as each parent’s income, the number of children, childcare expenses, parenting time, existing support obligations, health insurance costs, and other allowable deductions. Because each state uses its own formula, the estimated amount can vary depending on where you live.
How do you calculate child support?
To calculate child support, you typically need information such as gross monthly income, the number of children, childcare expenses, health insurance costs, parenting time, existing support obligations, and applicable deductions. A state-specific child support calculator can use these details to provide an estimate based on the guidelines that apply in that state.
What factors affect child support payments?
Several factors can affect child support payments. Common factors include gross monthly income, the number of children, childcare expenses, parenting time, existing support obligations, health insurance costs, and other allowable deductions. The specific factors and how they are applied depend on state guidelines.
Does child support depend on both parents’ income?
In many cases, child support calculations take the financial circumstances of both parents into account. The exact way each parent’s income is considered depends on the state’s child support formula. Because state guidelines differ, the same income levels may produce different estimates in different states.
Does the number of children affect child support?
Yes. The number of children is one of the factors commonly considered when estimating child support. State guidelines may use different formulas or percentages depending on the number of children involved, so payments can change as the number of supported children changes.
Can child support calculations vary by state?
Yes. Child support calculations can vary significantly by state because every state has its own child support formula and guidelines. A calculator designed for one state may not produce an accurate estimate for another state. Using a state-specific calculator can help you apply the guidelines relevant to your situation.
How is child support calculated in Texas?
Child support in Texas is calculated according to Texas child support guidelines. The calculation can depend on factors such as income, the number of children, parenting time, health insurance, childcare expenses, and other applicable adjustments. For the most relevant estimate, use a Texas-specific child support calculator rather than a general calculator.
How is child support calculated in California?
Child support in California is calculated using California’s child support guidelines and formula. Factors such as parental income, the number of children, parenting time, childcare expenses, health insurance costs, and other allowable adjustments may affect the estimated payment. A California-specific calculator can provide an estimate based on the applicable guidelines.
How is child support calculated in Florida?
Child support in Florida is calculated according to Florida’s child support guidelines. The calculation may consider factors including parental income, the number of children, parenting time, childcare expenses, health insurance costs, and other applicable expenses or deductions. A Florida-specific calculator can help estimate the potential payment.
Is a child support calculator an official court calculation?
No. A child support calculator is generally an estimation tool rather than an official court calculation. It uses information you provide and applies the relevant state guidelines to estimate a potential payment. The final child support amount may be determined or approved by a court or other authorized agency.
How accurate are child support calculators?
Child support calculators can provide useful estimates when accurate and complete information is entered, but they should not be treated as a guaranteed final payment amount. Differences in state rules, allowable deductions, parenting time, income, and other circumstances can affect the actual amount. For the best estimate, use a calculator designed specifically for your state.
Can child support payments change over time?
Yes. Child support payments can change when relevant circumstances change or when applicable guidelines are updated. Changes in income, childcare costs, health insurance expenses, parenting time, the number of supported children, or other qualifying factors may affect the calculation. A new calculation or formal modification may be required depending on the circumstances and state rules.
YOUR NEXT STEP
Get a Clearer Child Support Estimate
Child support can vary based on your state, income, parenting time, and other factors. Use our free Child Support Calculator to get an estimate and better understand how child support may be calculated in your situation.
Choose your state to find the calculator that matches your state’s guidelines.
