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 4 Elements of an Estate Strategy Learn about the importance of having an estate strategy in this helpful and informative video. Put It in a Letter A letter of instruction provides additional and more personal information regarding your estate. Principles of Preserving Wealth How federal estate taxes work, plus estate management documents and tactics.