What's My Potential Estate Tax? This calculator helps estimate your federal estate tax liability. 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 How Compound Interest Works Use this calculator to better see the potential impact of compound interest on an asset. Saving for Retirement This calculator can help you estimate how much you may need to save for retirement. Understanding Marginal Income Tax Brackets An inside look at how marginal income tax brackets work.