Free Tax Calculators

Estimate taxes on 1099 income: self-employment tax (Social Security + Medicare) plus federal income tax, with suggested quarterly payments.

Calculate capital gains tax on stocks, real estate and crypto: 0%, 15% or 20% long-term rates with the official 2026 brackets, plus the 3.8% NIIT when it applies.

Estimate your annual federal tax and the quarterly payments due under Form 1040-ES — Apr 15, Jun 15, Sep 15 and Jan 15.

Estimate your 2026 federal income tax: progressive brackets minus the standard deduction, with effective and marginal rates.

Estimate annual and monthly property taxes using your home value and the average effective rate of your state.

Reverse sales tax: find the price before tax when you know the total. Or go forward: add the combined state + local sales tax rate to any price.

Calculate your self-employment tax: the 15.3% Social Security + Medicare tax on freelancers, contractors and small business owners.

Check your federal income tax withholding per pay period with the official IRS percentage method — the first step to avoiding a big bill or refund.