Finance · Free browser tool
1099-NEC Tax Estimator
Estimate self-employment tax, income tax, and a quarterly planning set-aside from Form 1099-NEC Box 1 nonemployee compensation—100% private, runs in your browser.
100% Private: Calculated instantly in your browser. No data is stored on any server.
1099-NEC income inputs
Enter annual Box 1 totals. Results update as you type.
Uses approximate 2026 federal brackets, Schedule SE-style Social Security and Medicare tax (about 15.3% combined) on 92.35% of net profit when the $400 gate applies, a separate simplified Additional Medicare Tax estimate, one-half of Schedule SE tax deductible, and the standard deduction. Local taxes, itemized deductions, and credits beyond your entry are not fully modeled.
Estimated results
SE tax
$10,315
Income tax
$11,935
Quarterly set-aside
$5,562
Effective tax rate
30.5%
Bank or Treasury interest on 1099-INT? Try the 1099-INT Interest Income Estimator
Unemployment or state refund on 1099-G? Try the 1099-G Unemployment Tax Estimator
Pension, IRA, or 401(k) on 1099-R? Try the 1099-R Retirement Distribution Tax Estimator
Canceled debt on 1099-C? Try the 1099-C Cancellation of Debt Tax Estimator
Have mixed 1099 income beyond NEC? Try the general 1099 Tax Calculator
Need contractor take-home after SE tax? Try the Independent Contractor Take-Home Tax Calculator
Frequently Asked Questions
What is Form 1099-NEC and who receives it?
Form 1099-NEC reports nonemployee compensation—typically payments of $600 or more to independent contractors, freelancers, and other non-employees. If you are paid as a contractor (not a W-2 employee), Box 1 is usually the figure you use to start your self-employment tax estimate.
How is 1099-NEC different from 1099-MISC and 1099-K?
1099-NEC is for nonemployee compensation (contractor pay). 1099-MISC covers other miscellaneous income such as rents or royalties in many cases. 1099-K reports payment-card and third-party network transactions (for example marketplace or app payouts). Your situation may involve more than one form—use each form’s boxes carefully and consider the general 1099 Tax Calculator for blended income.
How does this tool calculate self-employment tax?
It applies Schedule SE-style Social Security (12.4%, up to the annual wage base) and Medicare (2.9%) tax—about 15.3% combined—to 92.35% of your net profit after expenses when net earnings meet the $400 threshold. Additional Medicare Tax is estimated separately as a simplified SE-income-only amount and is not part of that 15.3% rate. Before estimating federal income tax, it deducts one-half of Schedule SE tax (Social Security + Medicare only). W-2 wages are not collected, so wage stacking is not modeled.
Is this official tax advice or a filing tool?
No. This is a planning estimate only. It does not file returns, open an IRS account, or replace a CPA, enrolled agent, or tax software. Always verify figures against current IRS guidance and your complete tax situation.
Are my NEC amounts uploaded to a server?
No. Every calculation runs locally in your browser with React client state. Your Box 1 income, expenses, and filing details never leave your device.
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1099-NEC Tax Estimator for US Freelancers: Box 1, SE Tax, and Quarterly Set-Asides in 2026
Form 1099-NEC is the form most US freelancers and independent contractors see when a client pays $600 or more in nonemployee compensation. Box 1 is not your take-home pay—it is gross contractor income before business expenses, self-employment tax, and income tax. Planning from Box 1 without a net-profit and SE-tax model is how April surprises happen.
Start with NEC Box 1, subtract ordinary and necessary business expenses, then estimate Schedule SE-style Social Security and Medicare tax on roughly 92.35% of net profit (about 15.3% combined, subject to the annual wage base and the $400 net-earnings gate). Additional Medicare Tax is estimated separately on an SE-income-only model and is not part of that 15.3% rate. One-half of Schedule SE tax (Social Security + Medicare only) is used before estimating federal income tax. Progressive federal brackets and your state’s approximate effective rate complete a practical annual planning sketch.
Because NEC pay rarely has tax withheld, many contractors set money aside through the year. The quarterly figure here is a planning set-aside equal to total estimated tax ÷ 4—not an official Form 1040-ES worksheet result and not a safe-harbor calculation. Pair this NEC-focused estimator with the general 1099 Tax Calculator when you also have mixed 1099-K, 1099-MISC, or other self-employment streams.
This free 1099-NEC Income & Self-Employment Tax Estimator runs entirely in your browser—no uploads, no account, no server-side storage of your numbers. Use it to compare SE tax, income tax, a quarterly planning set-aside, and effective rate as you adjust expenses and filing status. It is an educational planning tool, not a substitute for professional advice or official IRS filing software.