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 Message Thank you! Oops! Related Content Protecting Those Who Matter Most The importance of life insurance, how it works, and how much coverage you need. Comparing Investments This calculator compares the net gain of a taxable investment versus a tax-favored one. Medicare At 65+ 65 or older? It may be time to enroll in Medicare. Read to learn if you’re eligible.