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 Surprises Making the most of surprises is a great reason to work with us. Investing with Your Heart For some, the social impact of investing is just as important as the return, perhaps more important. How to Make the Tax Code Work for You When you take the time to learn more about how it works, you may be able to put the tax code to work for you.