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 Leaving Your Lasting Legacy Want to do more with your wealth? You might want to consider creating a charitable foundation. Why Medicare Should Be Part of Your Retirement Strategy How Medicare can address health care needs in your retirement strategy. Four Really Good Reasons to Invest There are four very good reasons to start investing. Do you know what they are?