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 Choices for Your 401(k) at a Former Employer Individuals have three basic choices with the 401(k) account they accrued at a previous employer. Investing with Your Heart For some, the social impact of investing is just as important as the return, perhaps more important. How Compound Interest Works Use this calculator to better see the potential impact of compound interest on an asset.