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. Share | Have A Question About This Topic? Name Email Address Message Thank you! Oops! Related Content Money Draining Food Myths These food myths will really put a drain on your wallet. 401(k) Plans Are Not Just for Big Businesses Many small businesses are one person businesses. 9 Facts About Retirement Regardless of how you approach retirement, there are some things about it that might surprise you.