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 Important Birthdays Over 50 Here's a look at several birthdays and “half-birthdays” that have implications regarding your retirement income. The Financial Literacy Crisis Many Americans are operating their personal finances with only the barest minimum of knowledge. Retirement Redefined Around the country, attitudes about retirement are shifting.