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 Six Surprising Facts About Retirement Confidence This attention-grabbing infographic covers retirement topics you may not have considered. Protecting Your Business from the Loss of a Key Person Business owners may be able to protect themselves from the financial consequences of losing a key employee. Retirement Traps to Avoid Beware of these traps that could upend your retirement.