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 Retiree Health Care Coverage Overseas Retirees traveling abroad need to know that their health insurance travels with them. Inflation & Your Money It's important to understand how inflation is reported and how it can affect investments. A Look at Systematic Withdrawals This calculator may help you estimate how long funds may last given regular withdrawals.