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. Share | Have A Question About This Topic? Name Email Address Question Thank you! Oops! Related Content Historical Inflation This calculator shows how inflation over the years has impacted purchasing power. Retirement Is a Beginning Key questions to answer when you are considering retirement. Whole Life: The Key to Unlocking your Retirement Imagine a retirement without having to worry about money? Well, it’s possible.