Self-Employment Tax Calculator

Calculate the self-employment (SECA) tax you owe on your net profit, plus the deductible half. Estimates 2024 US self-employment (SECA) tax — not tax advice.

Self-employment tax
14129.55
Deductible half
7064.78

How to use

  1. Enter your net profit from self-employment.
  2. Read the estimated self-employment tax.
  3. Read the deductible half you can claim as an adjustment to income.

Examples

  • $100,000 net profit: SE tax $14,129.55
  • Deductible half: $100,000 → $7,064.78 deductible

FAQ

How is self-employment tax calculated?
It applies a 15.3% rate (12.4% Social Security + 2.9% Medicare) to 92.35% of your net profit, with the Social Security portion capped at the annual wage base.
Is any of the self-employment tax deductible?
Yes. You can deduct one half of your self-employment tax as an adjustment to income on your federal return.
How accurate is this estimate?
This uses 2024 US SECA rates and the 2024 Social Security wage base. It is an estimate only, excludes state taxes, and is not tax advice.