Self-Employed Tax Calculator
Calculate SE tax, income tax, and quarterly payments for 1099 workers and freelancers.
Open Calculator →Free · CPA Reviewed · 2026 IRS Rates
Free Tax Calculators
10 interactive calculators for self-employed workers, S-Corp owners, California taxpayers, and business owners. All updated with 2026 IRS rates and reviewed by Kenneth Serna, CPA.
S-Corp Tax Savings Calculator
See exactly how much you save in self-employment tax by electing S-Corp status.
Open Calculator →Quarterly Estimated Tax Calculator
Calculate your Q1–Q4 IRS estimated tax payments to avoid underpayment penalties.
Open Calculator →California Paycheck Calculator
Net take-home pay after federal income tax, California FTB, Social Security, and Medicare.
Open Calculator →California Capital Gains Tax Calculator
Federal + California state capital gains tax calculation for 2026. Includes NIIT.
Open Calculator →1099 vs W2 Calculator
Side-by-side take-home pay comparison for contractors vs employees with full benefit analysis.
Open Calculator →LLC vs S-Corp Tax Calculator
Compare total tax burden as a single-member LLC (Schedule C) vs S-Corporation.
Open Calculator →Mileage Tax Deduction Calculator
2026 standard mileage rate calculator. Business, medical, and charity mileage deductions.
Open Calculator →QBI Deduction Calculator
Section 199A qualified business income deduction — up to 20% of net business income.
Open Calculator →Section 179 Deduction Calculator
Instant Section 179 expensing + bonus depreciation calculation for business assets.
Open Calculator →Need More Guidance?
Pair these calculators with our in-depth tax guides written by Kenneth Serna, CPA.
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