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 Perception vs. Reality There’s an alarming difference between perception and reality for current and future retirees. How Stocks Work Understanding how a stock works is key to understanding your investments. Filing Final Tax Returns for the Deceased The federal government requires deceased individuals to file a final income tax return.