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 5 Benefits of Working in Retirement Here are 5 reason why you may consider working through retirement. Protecting Your Business from the Loss of a Key Person Business owners may be able to protect themselves from the financial consequences of losing a key employee. Consider Keeping Your Life Insurance When You Retire Reasons to retain your coverage into your retirement years.