California Self-Employment Tax Calculator 2026
California has a graduated income tax with rates ranging from 1.0% to 12.3%. Use this calculator to estimate your total tax liability including federal self-employment tax, federal income tax, and California state income tax.
Your 2026 Tax Estimate — California
Total Tax
$0
Take Home
$0
Effective Rate
0%
Quarterly Payment
$0
Tax Breakdown
Quarterly Estimated Tax Schedule
Self-Employment Tax in California (CA)
If you're self-employed in California, you'll pay three types of tax on your 1099 income: federal self-employment tax (15.3%), federal income tax (10-37% depending on your bracket), and California state income tax. California has a graduated income tax with rates ranging from 1.0% to 12.3%.
Important note: California has the highest top marginal rate (13.3% including the 1% Mental Health Services surcharge on income over $1M).
California Income Tax Brackets (2026)
| Income Range | Tax Rate |
|---|---|
| $0 – $10,756 | 1.00% |
| $10,756 – $25,499 | 2.00% |
| $25,499 – $40,245 | 4.00% |
| $40,245 – $55,866 | 6.00% |
| $55,866 – $70,606 | 8.00% |
| $70,606 – $360,659 | 9.30% |
| $360,659 – $432,787 | 10.30% |
| $432,787 – $721,314 | 11.30% |
| Over $721,314 | 12.30% |
How Self-Employment Tax Works
The federal self-employment tax rate is 15.3% — covering both Social Security (12.4%) and Medicare (2.9%). This is calculated on 92.35% of your net self-employment earnings. For 2026, Social Security tax applies to earnings up to $176,100. You can deduct half of your SE tax when calculating your federal income tax, which reduces your overall tax burden.
Other States
No Income Tax States
California Tax Quick Facts
- Income Tax
- Yes
- Tax Type
- graduated
- Top Rate
- 12.30%
- Federal SE Tax
- 15.3%