Free California Income Tax Calculator 2026 — Estimate Your CA Tax
Enter your income, filing status, and deductions, and this calculator applies California’s real 2026 brackets (1% to 12.3%, plus the 1% surcharge over $1M for a 13.3% top rate), the 2026 standard deduction, and exemption credits to estimate your state tax, effective rate, and marginal bracket. It runs entirely in your browser — your income is never typed into anyone’s server. Educational estimate only; it excludes federal tax, other credits, and SDI.
California Income Tax Calculator (2026)
Estimate your 2026 California tax in seconds — real 1%–13.3% brackets, standard deduction, exemption credits, effective and marginal rates.
1 Your 2026 income
2 Your estimate
🧾 2026 California estimate
How it works
The calculator subtracts pre-tax deductions and the larger of the 2026 standard deduction ($5,900 single, $11,800 joint/head of household) or your itemized amount from gross income to get California taxable income. It then walks the real 2026 bracket table — nine brackets from 1% to 12.3% — taxing each slice at its marginal rate, adds the 1% Mental Health/Behavioral Health Services surcharge on taxable income over $1 million (the 13.3% top rate), and subtracts your personal and dependent exemption credits ($158/$316 and $491 each).
Everyday uses
- California workers — sanity-check your state withholding before year-end.
- New arrivals — see what California’s progressive brackets mean for your paycheck.
- Freelancers — rough out quarterly California estimated payments.
- High earners — model the 12.3% bracket and the $1M surcharge before a bonus or equity event.
- Movers — compare the real cost of relocating into or out of California.
Frequently asked questions
Does this include federal income tax?
No — California only. Federal tax is a separate calculation; use our US federal estimator for that side.
Why is California’s top rate 13.3%?
The top regular bracket is 12.3%, plus a 1% surcharge on taxable income above $1 million that voters approved for behavioral health services — together they make 13.3% on income over $1M.
Does California tax capital gains differently?
No — unlike the federal system, California taxes capital gains as ordinary income at these same brackets.
Is this tax advice?
No — it is an educational estimator using 2026 figures. Credits, other income, and special situations can change your real bill; a tax professional can advise on your situation.
Where is my data stored?
Nowhere. The calculation runs in your browser and the numbers vanish when you close the tab.
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