Tax Bracket Calculator for California (CA) — Free Calculator

California Tax Brackets (2026)

California uses a graduated income tax system with a top marginal rate of 13.3%.

California Bracket Structure

1% on income up to $10,412; then 2%, 4%, 6%, 8%, 9.3%, 10.3%, 11.3%, 12.3% brackets; 13.3% on income over $1,000,000 (includes 1% Mental Health Services surtax)

California has the highest state income tax rate in the US at 13.3% on income over $1 million. The standard top rate of 12.3% kicks in at $677,275 (single). NYC residents also pay city tax; California has no separate city income tax outside of limited cases.

Federal Tax Brackets Still Apply to California Residents

Regardless of California's state tax rules, all residents pay federal income tax. Federal brackets for 2024 range from 10% (on income up to $11,600 for single filers) to 37% (on income over $609,350). Your effective federal rate is typically well below the top marginal rate due to the graduated bracket structure.

Effective vs. Marginal Rate in California

Your marginal rate is the rate on your last dollar of income. Your effective rate is your total tax divided by total income. For California residents the marginal rate can reach 13.3% but most filers pay a lower effective rate. The median household income in California is $84,097.

Data: Tax Foundation (2024), IRS Statistics of Income, US Census Bureau ACS 2023. Updated 2024–2025. Figures reflect state averages — consult a licensed CPA for personalized tax advice.

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Frequently Asked Questions

What tax brackets apply to California residents?

California has a graduated income tax system. 1% on income up to $10,412; then 2%, 4%, 6%, 8%, 9.3%, 10.3%, 11.3%, 12.3% brackets; 13.3% on income over $1,000,000 (includes 1% Mental Health Services surtax). Federal brackets also apply on top of the state tax.

What is the difference between marginal and effective tax rate in California?

Your marginal rate is the rate on your highest dollar of income. Your effective rate is your total tax burden divided by total income. In California, even if the top marginal rate is 13.3%, most residents pay a lower effective rate because lower income portions are taxed at lower brackets.

Does California have different tax brackets for married filers?

Yes, California typically has different bracket thresholds for single vs. married filing jointly filers. Married joint filers often have brackets approximately twice as wide, reducing the marriage penalty. Check the California Department of Revenue for current bracket tables.

How does this tax bracket calculator work for California?

Enter your income and filing status. The calculator applies both federal and California state tax brackets to show your marginal rate, effective rate, and total estimated tax. California's graduated rate of up to 13.3% is applied to your state taxable income.