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. Share | Have A Question About This Topic? Name Email Address Question Thank you! Oops! Related Content 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. What is the Value of Your Business? Ascertaining the value of your business is important for a variety of reasons. Principles of Preserving Wealth How federal estate taxes work, plus estate management documents and tactics.