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 Question Thank you! Oops! Related Content Variable Universal Life Insurance Variable Universal Life is permanent insurance in which the policyholder directs how premiums are invested. When Special Care Is Needed: The Special Needs Trust A special needs trust helps care for a special needs child when you’re gone. Split Annuity Strategy Here's one strategy that combines two different annuities to generate income and rebuild principal.