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 Should I Invest in Gold? Learning more about gold and its history may help you decide whether it has a place in your portfolio. Filing Final Tax Returns for the Deceased The federal government requires deceased individuals to file a final income tax return. Assess Life Insurance Needs How to help determine life insurance needs to provide for your family after you pass away.