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 Surprise! You’ve Got Money! Here’s a quick guide to checking to see if you have unclaimed money. Historical Inflation This calculator shows how inflation over the years has impacted purchasing power. Who Is Your Trusted Contact? This investment account question is vital and answered as early as possible.