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 Why Medicare Should Be Part of Your Retirement Strategy How Medicare can address health care needs in your retirement strategy. Inflation and the Real Rate of Return Learn about the role of inflation when considering your portfolio’s rate of return with this helpful article. Do Your Kids Know The Value of a Silver Spoon? You taught them how to read and how to ride a bike, but have you taught your children how to manage money?