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 Message Thank you! Oops! Related Content Estate Management 101 A will may be only one of the documents you need—and one factor to consider—when it comes to managing your estate. 4 Steps to Protecting a Child with Disabilities Planning for a child with special needs can be complicated, confusing, and even overwhelming. Principles of Preserving Wealth How federal estate taxes work, plus estate management documents and tactics.