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 Historical Inflation This calculator shows how inflation over the years has impacted purchasing power. Countering Counterfeit Currency Combating counterfeiting remains core to preserving the integrity of the nation’s money. How Stocks Work Understanding how a stock works is key to understanding your investments.