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. Have A Question About This Topic? Name Email Address Question Thank you! Oops! Related Content Filing Final Tax Returns for the Deceased The federal government requires deceased individuals to file a final income tax return. Why do Renters Have to Save More? How much more would retirement cost if you owned your home rather than rented? It could actually be several times less. Critical Estate Documents Sound estate management includes creating financial and healthcare documents. Here's an inside look.