California Income Tax Calculator 2026
Estimate your California state income tax for 2026, with a full bracket breakdown.
California income tax, explained
California (CA) levies a progressive state income tax in addition to federal tax. The calculator above applies California's 2026 brackets progressively — each rate applies only to the income that falls within its band, so your effective state rate is lower than your top bracket. State income tax is separate from federal tax and from California sales tax.
What to know about California tax
- California has the highest state sales-tax base rate in the country at 7.25%, before local add-ons.
- Its progressive income tax has the nation’s highest top marginal rate, including an additional mental-health surcharge on very high incomes.
- The calculator above applies California’s 2026 brackets band by band, so the effective rate is well below the top bracket for most filers.
Frequently Asked Questions
Other states
Florida Income Tax
Calculate Florida income tax for 2026.
Calculate →Illinois Income Tax
Calculate Illinois income tax for 2026.
Calculate →New York Income Tax
Calculate New York income tax for 2026.
Calculate →Texas Income Tax
Calculate Texas income tax for 2026.
Calculate →State Income Tax Calculator
All states · the main state income tax calculator.
Calculate →Disclaimer
This calculator provides estimates for informational and educational purposes only. SmartTaxCalcs does not provide tax advice. Your actual tax liability may differ based on your specific situation, recent law changes, and circumstances not modeled here (e.g., AMT, NIIT, special credits). We strongly recommend consulting a qualified tax professional (CPA, Enrolled Agent, or tax attorney) before filing or making financial decisions.
Data source: IRS Revenue Procedure / state Departments of Revenue. Last data update: May 19, 2026.