🇺🇸 United States tax calculators 2026
Free United States tax calculators for freelancers, contractors and companies, with official 2026 rates and a transparent breakdown. Estimate income tax, social contributions and take-home pay, then compare regimes side by side.
United States calculators
United States Sole proprietor / single-member LLC tax calculatorFederal income tax + self-employment tax 15.3%, with 20% QBI deduction.United States S Corporation tax calculatorPass-through: FICA only on the "reasonable salary", distributions FICA-exempt. QBI 20%.United States C Corporation tax calculatorFederal corporate tax 21% + dividend taxation (double taxation).1099 Contractor Tax Calculator (2025)Estimate 2025 taxes on 1099 income: 15.3% self-employment tax, federal income tax, the 20% QBI deduction and how much to set aside each quarter.US Capital Gains Tax Calculator (2026)Estimate your 2026 US federal capital gains tax. Covers 0%, 15% and 20% long-term rates, short-term ordinary rates and the 3.8% NIIT by filing status.LLC vs S-Corp Tax Savings Calculator (2025)See how much you could save by electing S-corp status vs a default LLC in 2025. Compare self-employment tax, FICA on salary, and find your break-even profit.US Paycheck & Salary Take-Home Pay Calculator (2026)Free 2026 US paycheck calculator: turn gross salary into net take-home after federal income tax and FICA (Social Security + Medicare) by filing status.QBI Deduction Calculator (Section 199A)Estimate your Section 199A qualified business income (QBI) deduction for 2025 and 2026. Includes income thresholds, SSTB phase-out and the new $400 minimum.US Quarterly Estimated Tax Calculator (2025)Work out your 2025 IRS quarterly estimated tax payments. Covers income tax, self-employment tax and the 90%/100%/110% safe harbor to avoid penalties.S-Corp Reasonable Salary CalculatorFind a defensible S-corp shareholder salary and see the FICA you save by taking the rest as a distribution. Uses verified 2026 IRS reasonable-comp factors.Self-Employment Tax Calculator (2025)Calculate your 2025 US self-employment tax (Schedule SE). 15.3% on 92.35% of net profit, $176,100 Social Security cap, 0.9% extra Medicare, half deductible.US Tax Bracket Calculator 2026Free 2026 tax bracket calculator. Enter income and filing status to see your marginal rate, effective tax rate, and 2025 federal tax owed with a full bracket table.US Estimated Tax Underpayment Penalty Calculator (Form 2210)Estimate your IRS Form 2210 estimated tax underpayment penalty for 2025. Check the 90% and 100%/110% safe harbors and the 7% interest rate.US W-2 vs 1099 Calculator: Take-Home Pay Comparison (2025)Compare W-2 employee vs 1099 contractor take-home pay for 2025. See FICA vs self-employment tax, the 20% QBI deduction, and the rate you should charge.
United States tax guides
1099-K and Gig Economy Taxes: Uber, DoorDash, Etsy and the Reporting ThresholdThe 1099-K reports gross platform payouts, not taxable income: here is the 2026 reporting threshold, how to deduct platform fees and the split 72.5 and 76 cent mileage rates, and a full worked reconciliation from a $59,800 payout to a $3,972 federal bill.How to Avoid the Estimated Tax Penalty: Safe Harbor Rules ExplainedThe estimated tax penalty is really daily interest, and you avoid it by hitting a safe harbor rather than by forecasting your income correctly: here are the 90/100/110 rules, the 2026 payment calendar, and an exact penalty computation showing how $20,240 paid in the wrong pattern costs $236.26.LLC vs Sole Proprietor: What Actually Changes for Your TaxesForming a single-member LLC does not lower your federal tax bill by a single dollar, and here are the 2026 numbers that prove it, plus the profit level where an S-corp election actually starts to pay for itself.US Federal Tax Brackets 2026 Explained: Marginal vs Effective RateMoving into a higher tax bracket never taxes all of your income at that rate: here are the complete 2026 federal brackets for every filing status, the standard deduction amounts, and the exact arithmetic that turns a 22% marginal rate into a 12.71% effective one.Freelance Tax Deductions in the USA: The Complete 2026 ListA practical, rule-by-rule guide to every deduction a US freelancer can claim on Schedule C in 2026, with the real IRS limits, a worked example on $120,000 of 1099 income, and the write-offs that will get you in trouble.How to Pay Yourself From an LLC: Owner Draws vs SalaryA practical guide to paying yourself from an LLC in 2026, covering owner draws, guaranteed payments, S-corp payroll, self-employment tax, and the profit level at which switching to a salary starts to save real money.The QBI Deduction (Section 199A) Explained: How Freelancers Get 20% Off Their Taxable IncomeThe Section 199A qualified business income deduction can cut a freelancer's federal tax bill by thousands of dollars, but only if you understand the income thresholds, the SSTB phase-out and the W-2 wage limit that decide how much of it you actually keep.Quarterly Estimated Taxes Explained: How Much to Pay and When (2026)A practical, numbers-first guide to 2026 quarterly estimated taxes: the four 1040-ES deadlines, the safe harbor percentages that make you penalty-proof, and exactly how to compute each payment.