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 New Retirement Contribution Limits for 2024 A look at the new, record-high retirement contribution limits from the IRS. Buying Auto Insurance For Teen Drivers Tips on insuring your teen driver. Errors and Omissions Insurance E&O insurance is specifically designed to protect you, or your company, from the risk of a client’s dissatisfaction.