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 Impact Investing or Philanthropy This fun piece can help your clients explore the benefits of impact investing versus founding a philanthropy. Reviewing Your Life Insurance Needs Learn how the review process works and how it may help you better understand your Life Insurance. 9 Facts About Retirement Regardless of how you approach retirement, there are some things about it that might surprise you.