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 The A, B, C, & D of Medicare Learn about all the parts of Medicare with this informative and enjoyable article. Should You Invest in Exchange Traded Funds? There are thousands of ETFs available. Should you invest in them? A Look at Whole Life Insurance Whole life insurance remains in force as long as you remain current with premiums. Here's how it works.