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 Choose Your Own Retirement Adventure Retirement is one of the greatest adventures you’ll have. Which retirement adventure will you choose? How Stocks Work Understanding how a stock works is key to understanding your investments. A Primer on Irrevocable Life Insurance Trusts Irrevocable life insurance trusts can be important tools that may accomplish a number of estate objectives.