Every American tax calculator in one place — paycheck, capital gains, self-employment, 401(k) and sales tax. All 50 states. 2026 IRS rates. No sign-up needed.
5 free calculators · 2026 IRS Rates · All 50 StatesThe US tax year is the calendar year (January 1 – December 31, 2026). Most employees have taxes withheld from each paycheck through the FICA and federal/state withholding system. Self-employed workers pay estimated taxes quarterly.
2026 federal income tax brackets (single filer):
FICA taxes 2026: Social Security 6.2% (up to $176,100 wage base) + Medicare 1.4%. Self-employed pay both sides (15.3% combined, with a deduction for half).
In addition to federal tax, most states levy their own income tax. Use the US Paycheck Calculator to see your combined federal + state take-home pay for any state.