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 Planning Your Legacy & Your Family’s Financial Future Leave a legacy and plan for your family's financial future. Arrange your affairs and find ways to pass on your wealth. Life and Death of a Twenty Dollar Bill How long does a $20 bill last? Year-End Charitable Gifting and You This article may help you maximize the benefits of your donation for your chosen charity.