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 Content 401(k) Plans Are Not Just for Big Businesses Many small businesses are one person businesses. You Would Rather Be... Are you a thrill seeker, or content to relax in the backyard? Use this flowchart to find out more about your risk tolerance. 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.