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 Message Thank you! Oops! Related Content Net Unrealized Appreciation (NUA) Explained Have you considered the special tax treatment on company stock held in a 401(k) plan? Should You Tap Retirement Savings to Fund College? There are three things to consider before dipping into retirement savings to pay for college. A New Way to Look at Your Bucket List Bucket lists don’t have to be for tomorrow.