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 18 Years’ Worth of Days The average retirement lasts for 18 years, with many lasting even longer. Will you fill your post-retirement days with purpose? A Brief Guide To Condo Insurance Important items to consider when purchasing condo insurance. Buying a Vacation Home? 5 Questions to Consider First You may be considering purchasing a vacation property, this can be an exciting milestone, but there are a few things to consider first.