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 Retirement Traps to Avoid Beware of these traps that could upend your retirement. Coaches Coaches have helped you your whole life, in ways big and small. We'd like to be one of them. Assess Life Insurance Needs How to help determine life insurance needs to provide for your family after you pass away.