Federal and state income tax estimators, bracket calculators, and withholding tools. Browse our free income tax tools below — all calculators are instant, accurate, and require no sign-up.
1099 Tax Calculator — Free 2025 1099 tax calculator for independent contractors. Estimate income tax, self-employment tax, QBI deduction, and quarterly payments on 1099 net income.
Alternative Minimum Tax (AMT) Calculator — Free AMT calculator. Estimate your Alternative Minimum Tax for 2025 based on income, preference items, and exemption amounts. See if you are subject to AMT.
Dependent Tax Impact Calculator — Free dependent tax impact calculator. Estimate the total tax benefit of claiming dependents — Child Tax Credit, EITC, dependent care credit, and Head of Household status savings for 2025.
Freelancer Tax Calculator — Free 2025 freelancer tax calculator. Estimate your total federal, state, and self-employment tax as a freelancer with QBI deduction and quarterly payment schedule.
Head of Household Benefit Calculator — Free Head of Household benefit calculator. Compare HoH vs Single filing status — see the wider brackets, higher standard deduction, and total annual tax savings for qualifying filers.
Income Tax Estimator Calculator — Free income tax estimator calculator. Estimate your federal income tax for 2025 based on filing status, income, deductions, and credits with a bracket-by-bracket breakdown.
Marginal vs Effective Tax Rate Calculator — Free marginal vs effective tax rate calculator. Compare your marginal bracket rate to your effective (average) rate side by side for any income and filing status.
Marriage Tax Penalty/Bonus Calculator — Free marriage tax penalty and bonus calculator. Compare Married Filing Jointly tax to two single filer taxes and see if marriage helps or hurts your combined tax bill for 2025.
Quarterly Estimated Tax Calculator — Free quarterly estimated tax calculator. Calculate how much to pay each quarter for self-employment, investment, or other income not subject to withholding.
Self-Employment Tax Calculator — Free self-employment tax calculator. Estimate SE tax (Social Security + Medicare) on freelance, gig, or business income with deductible half and net earnings breakdown.
Standard vs Itemized Deduction Calculator — Free standard vs itemized deduction calculator. Compare deduction options and see which saves you more on taxes. Includes SALT, mortgage interest, charity, and medical.
State Income Tax Calculator — Free state income tax calculator for all 50 states. Compare flat-rate vs. graduated state tax, find no-income-tax states, and estimate your state tax liability.
Tax Bracket Calculator — Free tax bracket calculator. See which federal tax bracket you fall in, how much tax you owe per bracket, and your marginal rate for 2025 by filing status.
Tax Refund Estimator Calculator — Free tax refund estimator. Calculate your expected federal tax refund or amount owed based on income, withholding, and credits. 2025 tax year data.
Tax on Bonus Calculator — Free 2025 bonus tax calculator. Compare the 22% flat supplemental rate vs. aggregate method to see how your bonus is actually taxed and what you'll take home.
Tax Withholding Calculator — Free tax withholding calculator. Compare your projected W-2 withholding to your estimated tax liability and find out if you will owe or get a refund.
W-4 Estimator Calculator — Free W-4 estimator calculator. Estimate how W-4 adjustments (extra withholding, deductions, dependents) affect your per-paycheck take-home pay and annual tax outcome.