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 How Income Taxes Work A quick look at how federal income taxes work. An Arm and a Leg A visit to the hospital can be painful, for both your body and your wallet. Don’t let it be more painful than it has to be. Retirement Myths for Women The number of men and women in the United States appears to be approximately equal . . . at first glance. Women walk a different path than men, and a much longer one. After the age of 40, women outnumber men in every age cohort.