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 The Rule of 72 Do you know how long it may take for your investments to double in value? The Rule of 72 is a quick way to figure it out. What You Should Do About Insurance Following a Divorce In the face of divorce, making changes to insurance coverage may be overlooked. Keeping Summer Safe: Pool and Spa Safety Tips Each year hundreds of children die or are injured in pool accidents. By taking seven steps, you can keep your pool safe.