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 A Look at Systematic Withdrawals This calculator may help you estimate how long funds may last given regular withdrawals. The Real Cost of a Vacation Home What if instead of buying that vacation home, you invested the money? Once Upon a Goal Do you know how to set up your financial goals for success? This knight does.