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 Question Thank you! Oops! Related Content How Compound Interest Works Use this calculator to better see the potential impact of compound interest on an asset. Estate Management 101 A will may be only one of the documents you need—and one factor to consider—when it comes to managing your estate. Saving Early & Letting Time Work For You The earlier you start pursuing financial goals, the better your outcome may be.