Self-Employment Tax Calculator
SE tax on 92.35% of net profit — not your full income-tax bill. Click any i for detail.
Profit
Net profit ($)
i
Net profit
Schedule C-style net (income − expenses). Not gross receipts. |
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Other W-2 wages ($)
i
Wages
Reduces remaining Social Security wage base. |
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Filing status
i
Status
Additional Medicare threshold is higher for joint filers. |
How to use this calculator
- Enter net profit, not gross sales.
- Add W-2 wages if you also have a job (SS wage base is shared).
- Read SS + Medicare + Additional Medicare.
- For quarterly income-tax set-aside, use the 1099 tax calculator.
Results explained
SE base = 92.35% of net profit. 12.4% Social Security up to $184,500 (2026 sketch) minus W-2 wages already counted, 2.9% Medicare, plus 0.9% Additional Medicare over the threshold. Half of SE tax is deductible on Form 1040 — shown in the note, not subtracted from this headline.
Quick reference: SE tax (TY2026 sketch)
This is FICA for the self-employed, not income tax.
| Item | Detail |
|---|---|
| SE base | 92.35% of net profit |
| Social Security | 12.4% up to $184,500 wages+SE |
| Medicare | 2.9% (uncapped here except Additional) |
| Additional Medicare | 0.9% over $200k / $250k joint |
| 1099 page | Adds income-tax quarterly set-aside |
Partners and some church wages have extra wrinkles not modeled.
How the estimate is built
SE tax = 12.4%×min(SE base, remaining SS base) + 2.9%×SE base + 0.9%×excess.
Example scenario
$60,000 net profit, no W-2 → SE base $55,410 → about $8,500 SE tax in this sketch.
FAQ
Is this my tax bill?
No. Income tax is extra. See 1099 tax calculator for a quarterly combined sketch.
S corp wages?
Different. Reasonable wage is W-2; this page is classic SE on net earnings.
QBI?
Not modeled.