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 When Should You Take Social Security Monthly Social Security payments differ substantially depending on when you start receiving benefits. Should I Pay Off Debt or Invest? This calculator will help determine whether you should invest funds or pay down debt. White Elephant Inheritance This article deals with how one might deal with a burdensome inheritance.