California Self-Employment Tax Calculator 2026
California has the highest state income tax in the US (up to 13.3%), but it does not add extra self-employment tax beyond the federal SE tax. Your total tax burden in CA is: federal SE tax (15.3%) + federal income tax + CA income tax (typically 6-9.3%).
Self-Employment Tax in California
The federal self-employment tax rate is 15.3% (12.4% Social Security + 2.9% Medicare) on the first $176,100 of net self-employment income, then 2.9% above that threshold. This applies to all freelancers regardless of state. California also collects 9.30% state income tax on your net self-employment earnings.
Use the Self-Employment Tax Calculator
Enter your net self-employment income below to calculate your exact SE tax obligation.
Open SE Tax Calculator →California Freelancer Tax Summary
Tax Information Notice
This content is for informational and educational purposes only. It does not constitute tax, legal, or financial advice. Tax laws change frequently. Always consult a qualified CPA or Enrolled Agent for your specific situation.