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 When the Unexpected Becomes Reality Disability happens to more people, more often than you may think, and it lasts longer, too. How Income Taxes Work A quick look at how federal income taxes work. Critical Estate Documents Sound estate management includes creating financial and healthcare documents. Here's an inside look.