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 The Great Debate Continues: Active vs. Passive In investments, one great debate asks the question, “Active or Passive Investing: Which Is Better?” How Insurance Deductibles Work Knowing how insurance deductibles work can help you save money and give you peace of mind. Social Security: Maximizing Benefits There are other ways to maximize Social Security benefits, in addition to waiting to claim them.