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Freelance Software Engineer Tax Calculator — California 2026

Tax estimate for freelance Software Engineers in California: SE tax (15.3%) + federal + California state income tax (9%), with software engineer-specific deductions.

📌 California has progressive taxes up to 13.3%. Most freelancers at $50-130k are in the 9.3% bracket.

📊 Your California Tax Estimate as a Software Engineer

SE Tax (15.3%)
Federal Income Tax
California State Tax (9%)
Total Tax Bill
Effective Rate
Quarterly Payment

Top Software Engineer Tax Deductions in California

💡 Software Engineer tip: Software engineers can deduct the home internet bill at 100% if exclusively used for work, or proportionally if mixed. $80/mo internet = $960/year in deductions.

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→ General SE Tax Calculator for California

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