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

Net self-employment earnings$Business profit (income minus expenses).

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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Self-Employment Taxes: A Freelancer's GuideWorking for yourself means paying both halves of Social Security and Medicare. What to set aside and why.

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