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 Grantor Retained Annuity Trusts (GRATs) Explaining Grantor Retained Annuity Trusts (GRATs) and their benefit to estate strategy. Mortgages in Retirement Explore the benefits and drawbacks to paying off your mortgage prior to retirement with this article. Your Shifting Risk Tolerance Time and market performance may subtly and slowly imbalance your portfolio.