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California Child Support Calculator

How to Use the California Child Support Calculator as an Effective Tool


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The state of California uses specific guidelines to determine child support. Parents who want to estimate either how much child support they owe, or how much child support they will receive, should use California’s interactive child support calculator, which is provided by the state.

Tips for Using the California Child Support Calculator

  • Only use the California child support calculator provided on the state’s Department of Child Support services web site.

  • Third-party child support calculators may not provide users with a reliable, accurate child support estimate.

  • Be aware that the California child support calculator is designed to provide an estimate only.

  • In order to use the calculator, you will need to know the total income of both parents, including wages, tips, bonuses, self-employment earnings, investment income, and all other sources of income.

  • You will also need to know about certain expenses for each parent, including taxes, union dues, health premiums, other child or spousal support payments, and the costs associated with raising additional children (as in the case of parents who have children from another relationship).

  • The California child support calculator will time-out if you start to input data and then leave it idle for more than 30 minutes. Because this will cause you to lose any information you’ve already entered, you will want to use the California child support calculator during a time when you are relatively free from interruptions.

Tips for Parents Requesting Child Support in California

Tips for Parents Who Owe Child Support in California

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