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 SECURE Act 2.0: An Overview The second iteration of the SECURE Act brings forward several changes to the world of retirement. The Pre-Retirement Checklist This checklist can give you a quick snapshot of how prepared you are. Inflation and Your Portfolio Even low inflation rates can pose a threat to investment returns.