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 Retirement Plan Choices for Small Businesses Retirement choices can be intimidating. Picking the right strategy. Social Security: By the Numbers Here are five facts about Social Security that might surprise you. The Junk Drawer Approach to Investing It's easy to let investments accumulate like old receipts in a junk drawer.