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 Contents Safeguard Your Digital Estate If you died, what would happen to your email archives, social profiles and online accounts? Estimating Your Estate Taxes Estate tax laws have changed a few times in recent years. Do you know the new rules? Principles of Preserving Wealth How federal estate taxes work, plus estate management documents and tactics.