Free · 2026 tax year
Tax calculators for people who work for themselves
The numbers self-employed people look up most, worked out on the real 2026 IRS figures. No sign-up, nothing stored: the math runs in your browser. It is the same math the BrassWell app runs on your income as it arrives.
- 1099 taxThe 2026 tax on contractor income, federal and state, what you keep after it, and how much of each payment to set aside.Open calculator →
- Quarterly estimated taxWhat to pay the IRS by each 2026 due date: self-employment and income tax on the 2026 brackets, your state, and the safe harbor.Open calculator →
- Self-employment taxThe 15.3% on your profit: Social Security up to the $184,500 wage base, Medicare, and the half you deduct.Open calculator →
- Freelance hourly rateWhat to charge an hour to keep the income you want, after 2026 taxes and expenses, on the hours you can really bill.Open calculator →
- S-corp tax savingsSole proprietor or S-corp? What the election saves at your profit and salary, after the costs it adds.Open calculator →
- Mileage deduction2026 changed rates mid-year: 72.5¢ to June 30, 76¢ from July 1. Your deduction, and what it saves you.Open calculator →
Looking for more?
Related guides
TaxesHow much to set aside for taxes when self-employedThe percentage that makes the quarterly date painless.
TaxesQuarterly estimated taxes: the four datesAnd the safe-harbor rule that keeps the penalty away.
TaxesThe 2026 mileage rate changed mid-year72.5¢ to June, 76¢ from July, and what to log.
TaxesSelf-employed deductions worth knowingWhat lowers the profit these calculators start from.
Elsewhere on BrassWell
- All calculators1099 tax, quarterly tax, SE tax, mileage, hourly rate and S-corp.
- All guidesEverything we’ve written, in one place.
- How BrassWell worksThe same math, running on your real income as it arrives.
- Support CenterAnswers, and a real person behind the rest.
A planning estimate, not tax advice. Federal figures are the 2026 tables from IRS Rev. Proc. 2025-32 and the Social Security Administration, checked October 24, 2026. Each calculator lists what it covers and what it leaves out. For your actual return, or anything unusual, ask an accountant.