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 Buying vs. Leasing a Car Whatever your relationship with your car, it may eventually come time for a new one. Familiarize yourself with your options. When Special Care Is Needed: The Special Needs Trust A special needs trust helps care for a special needs child when you’re gone. Countdown to College Preparing for college means setting goals, staying focused, and tackling a few key milestones along the way.