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 Question Thank you! Oops! Related Content Bull and Bear Go To Market Learn about the difference between bulls and bears—markets, that is! Social Security Taxes Estimate how much of your Social Security benefit may be considered taxable. Inflation & Your Money It's important to understand how inflation is reported and how it can affect investments.