1099 Tax Calculator

How to use

1. Enter total gross 1099 income for the year, across all platforms and clients.
2. Add deductible business expenses you can document with receipts or records.
3. Choose single or married filing status.
4. Read SE tax, federal income tax, the combined total, and after-tax income.
5. Divide the total by four to sanity-check a quarterly voucher amount.

General information only — not medical, financial or legal advice. Figures cross-checked against public official sources (IRS / HMRC / NHS / WHO guidance) as of 2026-08. For decisions that matter, confirm with a licensed professional in your country.

About this tool

This estimate prices the two taxes on 1099 income: the 15.3 percent self-employment charge and federal income tax on what is left. Enter gross 1099 income and business expenses; the model nets them, computes SE tax on 92.35 percent of the profit, and taxes the profit minus half the SE tax at 2026 bracket rates. On the defaults, 60,000 dollars of 1099 income minus 8,000 dollars of expenses leaves 52,000 dollars of net profit, which carries about 7,347.37 dollars of SE tax and 3,628.66 dollars of federal tax, keeping 41,023.98 dollars. The QBI deduction, the Social Security wage-base cap, retirement contributions, and state taxes are not modeled. Simplified 2026 model: applies 15.3 percent SE tax without the Social Security wage-base cap, excludes QBI, credits, retirement plans, and state tax; verify with official sources; not tax advice.The 15.3 percent stacks 12.4 percent Social Security and 2.9 percent Medicare; W-2 employees see the employer half invisibly, while the self-employed pay both halves and reclaim half as an above-the-line deduction. That deduction is why the formula scales profit down by 0.9235 first. Documented expenses are the other lever: every ordinary and necessary business cost you can substantiate reduces net profit before either tax applies.

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