Child Support Calculator California
Estimate child support payments in California based on parents' incomes, custody time, and other factors using the state's guideline formula.
Published by:
isCalculator Editorial Team
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How to use this tool?
How to Use the Child Support Calculator (California)
- Enter Parent 1’s Monthly Gross Income – Input the gross (pre-tax) monthly income for Parent 1 in dollars.
- Enter Parent 2’s Monthly Gross Income – Input the gross monthly income for Parent 2.
- Enter Custody Percentages – Provide the percentage of time each parent has custody (e.g., 70% and 30%). These must add up to 100%.
- Enter Number of Children – Specify how many children are involved (minimum 1).
- Enter Other Dependent Deductions – Optionally, add any monthly deductions for other dependents (e.g., other child support payments). Enter 0 if none.
- Click “Calculate” – The tool will compute the estimated monthly child support, showing who pays whom and a detailed breakdown.
Important Notes:
- All incomes and deductions must be in US dollars (no commas).
- Custody percentages must be between 0 and 100 and sum to 100%.
- The result is an estimate based on California guidelines and may not reflect court-ordered amounts.
Previous Results
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Frequently Asked Questions
California uses a statewide guideline formula that considers both parents' incomes, the percentage of time each parent spends with the children, and other factors like health insurance and tax deductions.
The percentage varies by number of children: 25% for one child, 30% for two, 35% for three, 40% for four, and an additional 2% for each extra child.
Yes, you can request a modification if there is a significant change in circumstances, such as a change in income, custody time, or the needs of the child.
