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 Life and Death of a Twenty Dollar Bill How long does a $20 bill last? The Lowdown on Those Free Credit Scores What’s the deal with your yearly free credit report? Disability and Your Finances In the event of an unforeseen accident or illness, disability insurance may be a good way to protect your income and savings.