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 The Lowdown on Those Free Credit Scores What’s the deal with your yearly free credit report? What is the Value of Your Business? Ascertaining the value of your business is important for a variety of reasons. The Sequence of Returns A look at how variable rates of return impact investors over time.