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 Do You Know the Whole Life Story? Change comes at us from every angle as people update and upgrade everything from their diets to their devices, seemingly every day. Eight Mistakes That Can Upend Your Retirement There are common mistakes you can avoid when saving for retirement. Where Will Your Retirement Money Come From? Retirement income may come from a variety of sources. Here's an overview of the six main sources.