Self-Employment Tax Calculator (US 2025)
Freelancers and business owners pay both halves of Social Security and Medicare. This estimates your 2025 self-employment tax.
Your details
Self-employment tax
$14,129.55
- Social Security portion
- $11,451.40
- Medicare portion
- $2,678.15
- Deductible half
- $7,064.78
Social Security vs Medicare
- Social Security
- $11,451.4081%
- Medicare
- $2,678.1519%
Self-employment tax$14,129.55
Formula
SE tax = 15.3% on 92.35% of net earnings — 12.4% Social Security up to the wage base, 2.9% Medicare with no cap. Half of the SE tax is deductible.
Sources & methodology
2025 rates and wage base. Estimate only — excludes income tax, the SE-tax deduction's income-tax effect, and additional Medicare.
- •IRS — self-employment tax — IRS
Last updated: 2026-07-20
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Estimated Taxes for Freelancers and the Self-EmployedHow estimated quarterly taxes work for the self-employed: why they exist, the 2025 deadlines, the safe-harbor rule, and how much to set aside.Self-Employment Taxes: A Freelancer's GuideHow self-employment tax works, why freelancers pay both halves of FICA, the deductible half, and quarterly payments.
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