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 Assess Your Life Insurance Needs This calculator estimates how much life insurance you would need to meet your family's needs if you were to die prematurely. 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? Smart Wedding Registry Ideas The start of marriage should be all love–not debt.