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 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? The Other Sure Thing Though we don’t like to think about it, all of us will make an exit sometime. Are you prepared? Life and Death of a Twenty Dollar Bill How long does a $20 bill last?