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 Three Key Questions to Answer Before Taking Social Security When to start? Should I continue to work? How can I maximize my benefit? The Sequence of Returns A look at how variable rates of return impact investors over time. Trends in Charitable Giving Some people may want a more advanced gifting strategy that can maximize their gift and generate potential tax benefits.