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 Bull and Bear Go To Market Learn about the difference between bulls and bears—markets, that is! Four Steps to Valuing an Estate Determining the value of your estate, or for someone who has passed away, can be a complex undertaking. Saving for College 101 Here’s a crash course on saving for college.