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 Medicare At 65+ 65 or older? It may be time to enroll in Medicare. Read to learn if you’re eligible. A Meal for All Generations When it comes to generational differences, knowing the facts can be difficult. Three Key Questions to Answer Before Taking Social Security When to start? Should I continue to work? How can I maximize my benefit?