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 Contents Charitable Giving: Smart from the Heart Do you have causes that you want to support with donations? Critical Estate Documents Sound estate management includes creating financial and healthcare documents. Here's an inside look. Principles of Preserving Wealth How federal estate taxes work, plus estate management documents and tactics.