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 RE: Retirement How does your ideal retirement differ from reality, and what can we do to better align the two? When Markets React When markets shift, experienced investors stick to their strategy. Comparing Investments This calculator compares the net gain of a taxable investment versus a tax-favored one.