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 Safeguard Your Digital Estate If you died, what would happen to your email archives, social profiles and online accounts? Choosing a Business Structure Entrepreneurs all face the same question, “Which business structure should I adopt?” Principles of Preserving Wealth How federal estate taxes work, plus estate management documents and tactics.