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 When Markets React When markets shift, experienced investors stick to their strategy. What is Life Insurance? Part 1 What is Life Insurance? Part 1 The Importance of Business Valuation You know your company inside and out. But do you know how much it’s actually worth on the open market?