Self-Employment Tax Calculator
Estimate 2026 self-employment tax (Social Security and Medicare) on your net business income, the half you can deduct, and a quarterly payment.
Result
Income tax is on top of this. Self-employment tax covers only Social Security and Medicare.
Self-employment tax
$11,303.64
- Social Security (12.4%)
- $9,161.12
- Medicare (2.9%)
- $2,142.52
- Deductible half
- $5,651.82
- Additional Medicare tax (0.9%)
- $0.00
- Quarterly estimate for SE tax
- $2,825.91
Common questions
What is the self-employment tax rate?
15.3% on 92.35% of your net earnings: 12.4% for Social Security up to $184,500 in 2026, and 2.9% for Medicare with no cap.
Do I have to pay if I made under $400?
No. If your net self-employment earnings are under $400 for the year, you don’t owe self-employment tax.