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? The Pre-Retirement Checklist This checklist can give you a quick snapshot of how prepared you are. Understanding Equity Compensation Net Unrealized Appreciation and how it affects tax responsibilities.