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 Lowdown on Those Free Credit Scores What’s the deal with your yearly free credit report? How Women Can Prepare For Retirement Are women prepared for a 20-year retirement? 9 Facts About Social Security There are things about Social Security that might surprise you.