# 1099 tax calculator

> $16,647.46 is the 2026 federal tax on $80,000 of 1099 income, single, with QBI on. Self-employment tax is $11,303.64. State tax is extra.

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## Pages

- [1099 Tax Calculator (2026) — tax on 1099 income](https://1099quarterlytax.com/index.md): $16,647.46 is the 2026 federal tax on $80,000 of 1099 income, single, with QBI on. Self-employment tax is $11,303.64. State tax is extra.
- [1099 deductions a sole proprietor can claim](https://1099quarterlytax.com/1099-deductions/index.md): A checklist of 1099 deductions that reduce profit before tax. No typical dollar amounts. Home office and the SE-tax half have their own calculators.
- [1099 Tax Rate 2026: How Much Tax Do You Pay on 1099 Income?](https://1099quarterlytax.com/1099-tax-rate/index.md): $16,647.46 is the 2026 federal tax on $80,000 of 1099 profit, single, with QBI on. That is 20.81% of profit. State tax is extra.
- [About 1099Quarterly — how the tax math works](https://1099quarterlytax.com/about/index.md): 1099Quarterly estimates 2026 federal tax on self-employment income in the browser. It is not the IRS and it is not a tax adviser.
- [DoorDash Tax Calculator 2026 – How Much to Save](https://1099quarterlytax.com/doordash-tax-calculator/index.md): Estimate 2026 federal tax on DoorDash 1099-NEC pay after 72.5¢ and 76¢ a mile, the set-aside per $100, and what is left to pay quarterly.
- [Estimated tax payments 2026: due dates](https://1099quarterlytax.com/estimated-tax-due-dates-2026/index.md): The four 2026 Form 1040-ES dates are April 15, June 15, September 15, and January 15, 2027. Each falls on a weekday.
- [Home office deduction calculator — $5 per sq ft](https://1099quarterlytax.com/home-office-deduction-calculator/index.md): Simplified home office deduction for 2026: $5 per square foot, up to 300 square feet. See the deduction and the federal tax it saves.
- [How to pay quarterly taxes in 2026](https://1099quarterlytax.com/how-to-pay-quarterly-taxes/index.md): Pay a 2026 1040-ES voucher with IRS Direct Pay, EFTPS, a card processor, or a check. Direct Pay and EFTPS do not add a fee.
- [LLC tax calculator — your share of the profit](https://1099quarterlytax.com/llc-tax-calculator/index.md): Estimate 2026 federal tax on your share of LLC profit. A single-member LLC is taxed on all of it. A partnership taxes the percentage you own.
- [Methodology — 2026 rates and a worked return](https://1099quarterlytax.com/methodology/index.md): The 2026 rate file, the $80,000 example, mileage at 72.5 and 76 cents, and the Form 2210 underpayment rates stored for 2025 and 2026.
- [Quarterly estimated tax calculator — 2026 vouchers](https://1099quarterlytax.com/quarterly-estimated-tax/index.md): Split your 2026 federal estimate into the four 1040-ES dates. The safe harbor is 90% of this year or 100% of last year, 110% if prior AGI was over $150,000.
- [S-corp reasonable salary calculator — 2026 savings](https://1099quarterlytax.com/s-corp-reasonable-salary/index.md): Test an S-corp salary against 2026 payroll tax and the sole-prop tax. The IRS publishes no percentage. Zero salary with profit is the pattern they challenge.
- [S corp tax rate — pass-through, not a flat tax](https://1099quarterlytax.com/s-corp-tax-rate/index.md): An S corp has no flat federal income-tax rate. Owners pay their own bracket on the pass-through, and wages pay both halves of payroll tax.
- [S-corp tax: $5,159.62 saved vs Schedule C](https://1099quarterlytax.com/s-corp-tax/index.md): $5,159.62 is the 2026 federal tax saved on $120,000 of profit with $60,000 of wages, single. Payroll tax hits the wages. The distribution does not.
- [Safe harbor estimated tax — 90 or 110 percent](https://1099quarterlytax.com/safe-harbor-estimated-tax/index.md): Find the 2026 safe-harbor payment: 90% of this year's tax, or 100% of last year's tax, 110% when prior AGI is over the threshold.
- [Schedule SE calculator 2026 — Social Security](https://1099quarterlytax.com/schedule-se/index.md): Walk 2026 Schedule SE from net profit to the 92.35% base, Social Security, Medicare, and the deductible half. Additional Medicare Tax is separate.
- [Health insurance deduction saves $1,152](https://1099quarterlytax.com/self-employed-health-insurance-deduction/index.md): $12,000 of premiums on $80,000 of profit is a $12,000 self-employed health insurance deduction and saves $1,152 of 2026 federal income tax.
- [15.3% self-employment tax rate for 2026](https://1099quarterlytax.com/self-employment-tax-deduction/index.md): The 2026 self-employment tax rate is 15.3% of 92.35% of net profit. On $80,000 the deductible half is $5,651.82. $11,303.64 of SE tax is still due.
- [Self-employment tax calculator — 2026 Schedule SE](https://1099quarterlytax.com/self-employment-tax/index.md): 2026 Schedule SE stops Social Security at $184,500. SSA set the 2027 base at $192,300. This calculator still uses the 2026 base. Medicare stays 2.9%.
- [Solo 401(k) calculator: $43,087 on $100k](https://1099quarterlytax.com/solo-401k-calculator/index.md): On $100,000 of profit, a 2026 solo 401(k) allows $43,087: a $24,500 deferral plus $18,587 from the employer. A SEP IRA on that profit is $18,587.
- [Underpayment penalty calculator — Form 2210](https://1099quarterlytax.com/underpayment-penalty-calculator/index.md): $5.37 penalty on a $500 shortfall for 56 days at 7%. Form 2210 regular method: lesser of 90% of this year and 100% or 110% of last year.
- [W-2 vs 1099 calculator — equal take-home](https://1099quarterlytax.com/w2-vs-1099-calculator/index.md): Compare take-home on the same gross as W-2 wages or 1099 profit, then find the 1099 amount that matches your wages plus the benefits you enter.