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 Protecting Your Business from the Loss of a Key Person Business owners may be able to protect themselves from the financial consequences of losing a key employee. Who Is Your Trusted Contact? This investment account question is vital and answered as early as possible. Jane Bond: Infiltrating the Market Agent Jane Bond is on the case, cracking the code on bonds.