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 Message Thank you! Oops! Related Content Coaches Coaches have helped you your whole life, in ways big and small. We'd like to be one of them. Taxable vs. Tax-Deferred Savings Use this calculator to compare the future value of investments with different tax consequences. Paying Off a Credit Card Enter various payment options and determine how long it may take to pay off a credit card.