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 | Related Content Insuring Your Business With a Buy/Sell Agreement It may help your business be better prepared in the event of the death of a principal or key employee. How to Cut Your Expenses Living with confidence means living within your means. managers. Infographic: Who Sits at Your Table? Infographic: Who Sits at Your Table?