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1099 & Self Employment Tax Calculator

See your full tax bill as a 1099 contractor — SE tax, income tax, quarterly payments, and take-home — all in one place.

This free 1099 tax calculator estimates your self-employment tax, federal and state income tax, and quarterly estimated payments. Add your deductions — business expenses, health insurance, retirement contributions — to get an accurate number, not just a rough guess. Works for any 1099-NEC, 1099-MISC, or self-employed income.

How to use this calculator
1

Enter your gross 1099 income (before any deductions) and your business expenses.

2

Add any health insurance premiums and retirement contributions, then set your tax rates.

3

See your full tax breakdown, effective rate, and the quarterly estimated payment amount to send the IRS.

Your numbers

Live results
$

Total income before any deductions — what clients paid you, or the total on your 1099-NEC / 1099-MISC forms.

Deductions
$

Software, equipment, home office, mileage, professional fees. Reduces net profit before SE tax is calculated.

$

Premiums for health, dental, and vision. Fully deductible above-the-line if not eligible for employer coverage. Reduces income tax but not SE tax.

$

SEP-IRA (up to 25% of net self-employment income, max $69k) or Solo 401k. Deductible from income tax — does not reduce SE tax.

Tax rates
%

Use your effective rate. Roughly: 12% under $47k, 22% under $100k, 24% under $201k taxable income.

%

TX, FL, WA, NV = 0%. CA ≈ 9.3%. NY ≈ 6.85%. IL = 4.95%. Enter 0 if none.

Annual take-home
$—
after all taxes and expenses
SE tax
$—
Income tax
$—
Eff. rate
—%
Total tax owed
$—
Quarterly payment
$—
Net profit (after expenses) —
SE tax deduction (50%) —
Taxable income —
Breakdown
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Frequently asked questions
How is self employment tax calculated?
Self-employment tax is 15.3% applied to 92.35% of your net profit. The 92.35% multiplier accounts for the employer-equivalent half the IRS excludes. Example: $80,000 net profit × 0.9235 × 0.153 = $11,304 SE tax. You then deduct 50% of that ($5,652) from your gross income before calculating federal income tax — so SE tax indirectly lowers your income tax bill too.
How do I calculate 1099 taxes owed?
1099 taxes have two parts: (1) Self-employment tax — 15.3% on 92.35% of net profit. (2) Income tax — federal and state rates on your taxable income (net profit minus the SE deduction, health insurance, and retirement contributions). Add both to get your total. This calculator handles the full sequence automatically — enter your numbers and the breakdown updates instantly.
How much should I set aside for taxes as a 1099 contractor?
A reliable rule of thumb is 25–30% of net profit. At a 22% federal rate and 5% state rate, SE tax runs roughly 14.1% of gross and income tax adds another 14–16%. For most mid-bracket contractors, setting aside 28–32% of every client payment keeps you covered. Use the quarterly figure this calculator shows as your actual savings target — that's the real number, not an estimate.
What deductions reduce my 1099 self employment tax?
Only business expenses (Schedule C deductions) reduce your net profit and therefore lower your SE tax base. Health insurance premiums and retirement contributions (SEP-IRA, Solo 401k) are above-the-line deductions that reduce income tax but do not reduce SE tax. The 50% SE tax deduction is automatic — the IRS allows it regardless of other deductions.
What are quarterly estimated tax payments for 1099 workers?
The IRS requires self-employed workers who expect to owe $1,000 or more in taxes to pay in four installments: typically April 15, June 16, September 15, and January 15. These payments cover both SE tax and income tax since no employer withholds on your behalf. Missing or underpaying can trigger a penalty. The quarterly figure in this calculator is your estimated payment per quarter based on your inputs.