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 Question Thank you! Oops! Related Content How Insurance Deductibles Work Knowing how insurance deductibles work can help you save money. SECURE Act 2.0: An Overview The second iteration of the SECURE Act brings forward several changes to the world of retirement. Retirement Is a Beginning Key questions to answer when you are considering retirement.