US Freelance Tax
US Self-Employment Tax Calculator 2026
Self-employed workers generally pay both the employee and employer share of Social Security and Medicare through self-employment tax. This calculator starts from net self-employment income and shows the estimated tax and the deduction.
Official Standards & Rule Matrix
Starting pointNet profit from self-employment
ComponentsSocial Security and Medicare portions
DeductionThe employer-equivalent portion can reduce income tax
ScopeFederal self-employment tax estimate; income tax is separate
How to use this tool
- Enter your net self-employment profit for the year.
- Review the Social Security and Medicare portions of the tax.
- Note the deduction that can be claimed against income tax.
- Add your income tax estimate separately, or use a full tax calculator.
Computed completely in your browser. No personal data or numbers are transmitted over the network.
Frequently Asked Questions
- Is self-employment tax the same as income tax?
- No. Self-employment tax funds Social Security and Medicare. Federal and state income tax are separate and are based on taxable income.
- Can I deduct part of the tax?
- Yes, the employer-equivalent portion of self-employment tax is generally deductible for federal income tax. The calculator shows the amount to discuss with your tax preparer.
- What if I also have a salary job?
- Your employer may already withhold Social Security and Medicare. The annual wage base and excess withholding rules can change the result, so combine both income sources carefully.
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