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? Address Thank you! Oops! Related Contents When Special Care Is Needed: The Special Needs Trust A special needs trust helps care for a special needs child when you’re gone. Problems with Probate Probate can be a completely public process, or it can be managed to include as little information as possible. What Is My Current Net Worth? Use this calculator to estimate your net worth by adding up your assets and subtracting your liabilities.