Family Law
Child Support in California: How It's Calculated in 2026
California Fam. Code 4055 net income, parenting time (H%), and how the hybrid formula differs from income-shares states.
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Free legal calculators for child support, overtime, alimony, and 24 more legal-related financial calculations — using publicly available rules and formulas from each U.S. state. Not legal advice. Just the math.
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Child Support · California
Live estimateCalifornia
Income Shares Model · Family Code § 4055
Est. monthly support
$1,625
Calculate for My State →
Estimate only · Based on: $6,500/$4,200 income, 2 children, 0 overnights (Income Shares illustration)
27 tools. All 50 states.
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Most Popular · Family Law
All U.S. statesEmploymentChild Support Calculator
Your income$6,500 / mo
Other parent$4,200 / mo
2 children · CAIncome Shares
Monthly estimate$1,625
Based on: $6.500/$4.200 income, 2 children, 0 overnights (Income Shares illustration)
Uses your state's guideline model — not generic national averages. Available for all 50 U.S. states with state-specific statutes.
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All U.S. statesTheLegalCalc uses state guideline models — not generic national averages — to generate planning estimates you can cross-check against official sources. Each tool documents its legal basis where available. Laws change; verify current rules for your state. No attorney required for a starting number.
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How each calculation works.
Every calculator has a guide explaining the formula, the statute it uses, and when results may differ from a court calculation.
Browse all guides →Civil
Judgment Interest by State 2026: Rates and How to Calculate
How post-judgment interest rates work by state — fixed vs variable formulas, simple interest, and what changes the number.
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Personal Injury
How Long Does a Personal Injury Settlement Take?
Treatment, demand, negotiation, and filing phases — what actually drives the calendar from accident to check.
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Every TheLegalCalc tool is built around a specific state statute or guideline model. We document the formula, the data sources, the assumptions, and the limitations of each calculation.
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Frequently asked questions
Yes, completely. TheLegalCalc is 100% free to use with no account, no signup, and no hidden fees. TheLegalCalc is free to use. We do not charge users for any calculator or guide.
Our calculators apply each state's guideline model — Income Shares, Percentage of Income, or Melson Formula — based on publicly available state statutes. Results are planning estimates. For a court-certified calculation, use your state's official calculator.
No. We do not store, collect, or transmit any of your inputs. Every calculation runs entirely in your browser. When you close the page, the data is gone.
Available for all 50 U.S. states. Each calculator applies the guideline model for your state — Income Shares, Percentage of Income, or the applicable civil rate — based on publicly available statutes. Results are planning estimates, not court calculations.
No. TheLegalCalc results are estimates for informational purposes only and do not constitute legal advice. Courts use more detailed financial information and judge discretion. Always work with a licensed attorney for actual legal proceedings.
Calculators and articles are reviewed when state law changes and at least annually. Confirmed errors are corrected within 2 business days of being reported. If you notice an error or a law has changed, please contact us.
TheLegalCalc provides general legal information for educational purposes only. Results are estimates and do not constitute legal advice. Laws change frequently and vary by jurisdiction. Always consult a licensed attorney in your state before making any legal decisions.
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