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 Estate Management 101 A will may be only one of the documents you need—and one factor to consider—when it comes to managing your estate. Split Annuity Strategy Here's one strategy that combines two different annuities to generate income and rebuild principal. Consider Keeping Your Life Insurance When You Retire Reasons to retain your coverage into your retirement years.