Federal Income Tax Use this calculator to estimate your income tax liability along with average and marginal tax rates. You are viewing this website at a small screen resolution which doesn't support calculators. Click here to view this calculator. Have A Question About This Topic? Name Email Address Message Thank you! Oops! Related Content Dreaming Up an Active Retirement When you retire, how will you treat your next chapter? Estimating the Cost of College This worksheet can help you estimate the costs of a four-year college program. How Will the Economy React to AI? What do concerns or uncertainty about AI mean for your future and your financial strategy?