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 Estate Management Checklist Is your estate in order? This short quiz may help you assess your overall strategy. Questions to Ask About Medicare Take the guesswork out of your IEP or SEP with this helpful article. Navigating Retirement Pitfalls Why are they made again and again? Making sense of these errors in judgement.