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 When Special Care Is Needed: The Special Needs Trust A special needs trust helps care for a special needs child when you’re gone. Insurance Needs Assessment: Married With Children When you’re married and have children, insurance needs will be different. When to Self-Insure Choosing to bear the financial burden of an adverse event is called self-insuring. Do you know what that entails?