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 Best-Performing Asset Classes Bonds may outperform stocks one year only to have stocks rebound the next. When Should You Take Social Security Monthly Social Security payments differ substantially depending on when you start receiving benefits. Surprise! You’ve Got Money! Here’s a quick guide to checking to see if you have unclaimed money.