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 Making a Charitable Gift Did you know that there are benefits and limitations when you decide to donate stock? Learn more about your options. Should You Invest in Exchange Traded Funds? There are thousands of ETFs available. Should you invest in them? Suddenly Single: 3 Steps to Take Now Have you found yourself suddenly single? Here are 3 steps to take right now.