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 | Related Content Exit Strategies of the Rich and Famous Estate conservation is too important to put off. Do you have a smart exit strategy? Why Everyone Needs an Estate Strategy Do you have an estate strategy? You should. Principles of Preserving Wealth How federal estate taxes work, plus estate management documents and tactics.