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 Year-End Charitable Gifting and You This article may help you maximize the benefits of your donation for your chosen charity. What Do Your Taxes Pay For? Here's a breakdown of how the federal government spends your tax money. Life and Death of a Twenty Dollar Bill How long does a $20 bill last?