State Expansion - California

    California Tax Calculator

    Estimate California state income tax from taxable income using official 2025 FTB progressive rates and filing status.

    Tax year: 2025Last updated: May 23, 2026FTB 2025 rate schedulesProgressive bracket mathOptional credits adjustment
    Inputs

    Configure your scenario

    Enter taxable income and filing status for a California state tax estimate.

    Taxable income

    $120,000

    Net CA tax

    $7,599

    Effective rate

    6.33%

    Breakdown

    Detailed estimate

    Bracket tax (before surcharge)
    $7,599
    Mental health surcharge
    $0
    Gross state tax estimate
    $7,599
    Credits reduction
    $0
    Net California tax estimate
    $7,599
    Marginal rate
    9.30%
    Effective rate
    6.33%
    FAQ

    California tax - quick answers

    Does this use real California brackets?+

    Yes. This estimator applies 2025 FTB progressive brackets by filing status and adds the Mental Health Services Tax above applicable thresholds.

    Can I use this for filing?+

    Use official FTB forms/tools for filing. This page is a planning estimator.

    Sources & Act Reference

    California estimator references

    Progressive state schedule

    Taxable income is taxed through official 2025 California bracket bands for each filing status.

    Mental Health Services Tax

    A 1% surcharge applies to taxable income above the high-income threshold per California instructions.

    Rule Trace

    Applied rule and official references

    Applied rule: net CA tax = progressive bracket tax + mental health surcharge (if applicable) - estimated credits

    Compliance checklist

    Reconcile with FTB official calculator or return instructions before filing decisions.

    Smart Insight

    Estimated California state tax is $7,599 with an effective rate of 6.33%.