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 Coaches Coaches have helped you your whole life, in ways big and small. We'd like to be one of them. From Boats to Brokers From the Dutch East India Company to Wall Street, the stock market has a long and storied history. Perception vs. Reality There’s an alarming difference between perception and reality for current and future retirees.