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 How Financial Professionals Are Compensated Read this overview to learn how financial advisors are compensated. Volunteering in Retirement For many, retirement includes contributing their time and talents to an organization in need. Money Draining Food Myths These food myths will really put a drain on your wallet.