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 The Sequence of Returns A look at how variable rates of return impact investors over time. Eight Mistakes That Can Upend Your Retirement There are common mistakes you can avoid when saving for retirement. Acres of Diamonds In life it often happens that the answers to our most pressing questions are right in our own backyards.