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 Historical Inflation This calculator shows how inflation over the years has impacted purchasing power. A New Way to Look at Your Bucket List Bucket lists don’t have to be for tomorrow. What Smart Investors Know Savvy investors take the time to separate emotion from fact.