California Self-Employment Tax Calculator
Federal self-employment tax and income tax, plus California state income tax using the 2026 rates, in one estimate. Enter your income and costs to see what to set aside.
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California income tax in 2026
California's rate structure for 2026: 1% to 13.3%, 10 brackets. The brackets below are for single filers; joint filers get wider brackets.
| Taxable income (single) | Rate |
|---|---|
| $0 and up | 1% |
| $11,079 and up | 2% |
| $26,264 and up | 4% |
| $41,452 and up | 6% |
| $57,542 and up | 8% |
| $72,724 and up | 9.3% |
| $371,479 and up | 10.3% |
| $445,771 and up | 11.3% |
| $742,953 and up | 12.3% |
| $1,000,000 and up | 13.3% |
Deductions modelled in this calculator: a standard deduction of $5,540 for single filers and $11,080 for joint filers; a personal credit of $153 (single) or $306 (joint).
The calculator starts from your federal adjusted gross income (profit minus half of your self-employment tax) and applies these brackets. Head of household uses the single brackets. Local taxes and state credits other than the personal credit are not included.
What it means in dollars
For a California freelancer or gig worker with $55,000 of income and $5,000 of business costs (net profit $50,000, single filer, no other income), we estimate self-employment tax of $7,065, federal income tax of $2,667 and California income tax of $848. The total is about $10,580, or 21.2% of profit, which is $2,645 per quarter. The state share is $848.
Local taxes and special rules in California
California estimated payments are not four equal parts. The state asks for 30% by April 15, 40% by June 15, nothing in September and 30% by January 15.
Estimated payments in California
Most states with an income tax expect estimated payments from self-employed people who expect to owe more than a small amount, and many use dates close to the federal ones. California estimated payments are not four equal parts. The state asks for 30% by April 15, 40% by June 15, nothing in September and 30% by January 15. Confirm the schedule and any minimum with the California tax agency, using the link in the sources below. See also the federal due dates guide and the safe-harbor rules.
Frequently asked questions
Does California have a state income tax?
Yes. California uses graduated rates for 2026: 1% to 13.3%, 10 brackets. Federal tax applies on top.
How much should I set aside for taxes in California?
For $50,000 of net profit our estimate is about 21.2%, including federal and California income tax and self-employment tax. Your own figure depends on income, filing status and other income, so use the calculator above.
Do I pay California estimated taxes as a freelancer or gig worker?
Generally, if you expect to owe more than a small amount for the year after withholding. Dates and thresholds are set by California, so confirm them with the state tax agency.
Are there local taxes on self-employment income in California?
California estimated payments are not four equal parts. The state asks for 30% by April 15, 40% by June 15, nothing in September and 30% by January 15.
Sources
- Tax Foundation: State Individual Income Tax Rates and Brackets, 2026
- IRS: California state tax information
- IRS: Self-employment tax (Social Security and Medicare)
- IRS: Estimated taxes
Estimates only, not tax advice. State rules change, and city, county and special taxes are not included. See our disclaimer.
Other states
Not in California? Use the state tax guide or pick any state in the calculator above. Related tools: self-employed tax calculator, quarterly tax calculator, 1099 vs W-2.