California 1099 Self-Employed Tax Calculator

Calculate your California state tax plus federal and SE tax as a 1099 contractor. CA has the highest state tax rates in the US.

2026 Tax Year

Your total 1099 income before expenses

Frequently Asked Questions

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Calculation Basis & Sources

Tax Year
2026
Calculation Method
Gross Income → Business Expenses → Net Business Income → SE Tax (92.35% × 15.3%) → AGI → Deduction → Federal Tax → State Tax
Official Sources
Last Updated
2026-01-10
Sources Verified
Verified against official tax code sources (2026-01-10)

This calculator is for reference only and has no legal effect. Please consult a qualified tax professional for accurate tax filing.