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 Bull and Bear Go To Market Learn about the difference between bulls and bears—markets, that is! A Checklist for When a Spouse or Parent Passes An overview of some fundamental steps when a loved one passes. How Financial Professionals Are Compensated Read this overview to learn how financial advisors are compensated.