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 Earnings for All Seasons Earnings season can move markets. What is it and why is it important? Tips for Improving Your Financial Health into Retirement Here are ten key steps to help improve your financial health and make the most of your retirement years. Managing an Inheritance A windfall from a loved one can be both rewarding and complicated.