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 What to Do When You Lose Your Wallet Ever lost your wallet? Frustrating. Here’s what you can do to keep yourself safe. Best-Performing Asset Classes Bonds may outperform stocks one year only to have stocks rebound the next. Steps to Protecting a Child with Disabilities Planning for children with special needs can be confusing but by working together, we can help navigate those challenges.