Self-employment tax calculator (1099)

Estimate the self-employment (SECA) tax on your 1099 / freelance profit — the Social Security and Medicare you owe, your 92.35% taxable base and the half you can deduct. Nothing is uploaded.

Net self-employment earnings (profit)
$
Currency symbol
Social Security wage base
$
Pre-filled with the 176,100 Social Security wage base (as of 24.06.2026) — verify this year's IRS figure.
Self-employment tax
Taxable base (92.35%)
Deductible half

Estimates self-employment (SECA) tax only — Social Security 12.4% up to the wage base, Medicare 2.9%, plus the additional 0.9% Medicare over $200,000. This is NOT your federal or state income tax. An estimate, not tax advice.

Everything runs in your browser. No upload, no sign-up.

How it works

STEP 1

Enter your profit

Type your net self-employment earnings — 1099 income minus business expenses.

STEP 2

Check the wage base

The Social Security wage base is pre-filled; update it to this year’s IRS figure if needed.

STEP 3

See your SE tax

Your self-employment tax, 92.35% taxable base and deductible half update instantly. All private.