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 Bull and Bear Go To Market Learn about the difference between bulls and bears—markets, that is! Navigating Retirement Pitfalls Why are they made again and again? Making sense of these errors in judgement. Retirement Traps to Avoid Beware of these traps that could upend your retirement.