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 4 Elements of an Estate Strategy Learn about the importance of having an estate strategy in this helpful and informative video. Net Unrealized Appreciation (NUA) Explained Have you considered the special tax treatment on company stock held in a 401(k) plan? All Muni Bonds Are Not Created Equal Gaining a better understanding of municipal bonds makes more sense than ever.