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 Volunteering in Retirement For many, retirement includes contributing their time and talents to an organization in need. 5 Benefits of Working in Retirement Here are 5 reasons why you may consider working through retirement. Your Shifting Risk Tolerance Time and market performance may subtly and slowly imbalance your portfolio.