Use this calculator to find your exact quarterly estimated tax payments as a freelancer in California. Enter your details below for an instant result.
From W-2 Box 2
Used to calculate safe harbor quarterly amount
The Qualified Business Income (QBI) deduction lets most self-employed individuals deduct 20% of net business income from taxable income. Phases out for higher earners.
IMPORTANT: CA uses a 3-payment schedule — Q1 (30%), Q2 (40%), Q4 (30%). There is NO Q3 state payment due in September.
California uses a 3-payment schedule: Payment 1 (30%) due April 15, Payment 2 (40%) due June 15, Payment 3 (30%) due January 15. There is no Q3 payment in California.
In California, quarterly state estimated tax payments are required when your expected state income tax liability exceeds $500 for the year.
Yes. Federal self-employment tax applies regardless of state. As a freelancer in California, you owe 15.3% SE tax on 92.35% of your net self-employment income — 12.4% Social Security (up to the annual wage base) and 2.9% Medicare. You deduct half from federal AGI.
Pay California estimated taxes online at the Department of Revenue portal. IMPORTANT: CA uses a 3-payment schedule — Q1 (30%), Q2 (40%), Q4 (30%). There is NO Q3 state payment due in September.
This tool is for informational and educational reference only and does not constitute tax or financial advice. Tax laws are complex, change annually, and individual circumstances vary. Calculations are estimates based on the inputs you provide and IRS/state tax authority data. Always consult a licensed CPA or tax professional before making tax decisions.