California 1099 Calculator
Estimate quarterly payments for California 1099 work — federal self-employment tax plus CA state adjustment (progressive up to ~13.3% top rate). Free, instant, nothing stored.
Quick Estimate — CA
Estimated Quarterly Payment
—
Self-Employment Tax (~15.3%)
—
Federal Estimate
—
CA Adjustment
—
Figures are approximate. Consult a CPA for precise filing. This is not tax advice.
Filing Status
Federal rate adjusts for Single, MFJ, MFS, or Head of Household — just like the main calculator.
Deductions
Add a standard mileage deduction (~$0.70/mile) before tax — estimate yours →
Quarterly Due
Pay Q1–Q4 estimated tax to the IRS (Form 1040-ES). California matches your federal cadence.
CA Tax Context
- •California state income tax: progressive, up to a ~13.3% top marginal rate
- •Self-employment tax (federal): 15.3% on 92.35% of net earnings
- •SDI (State Disability Insurance): small additional payroll-like charge for some workers
- •No local city income tax in most CA cities (exceptions, e.g. some SF payroll taxes — employers, not freelancers)
- •CA freelancers commonly owe state payments even when federal estimated tax is set aside