Self-employment tax calculator 2026
Social Security and Medicare tax for freelancers and 1099 contractors, with the deductible half.
Input
How to use this tool
- Enter your values or choose a local file. Replace the example data with your own.
- Review options, units and assumptions, then run the tool.
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Method & assumptions
Social Security and Medicare tax for freelancers and 1099 contractors, with the deductible half.
SE tax = 92.35% × profit × (12.4% to wage base + 2.9%)Worked example
Net self-employment profit: 70,000 W-2 wages also earned: 0 Filing status: Single → Net earnings subject to SE tax (92.35%): USD 64,645.00 → Social Security 12.4 %: USD 8,015.98 → Medicare 2.9 %: USD 1,874.71 → Self-employment tax: USD 9,890.69 → Deductible half (above-the-line): USD 4,945.34
Limits & important notes
Basic release. Review the result before relying on it. File limits, supported cases and processing requirements are shown above.
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