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 Inflation and Your Portfolio Even low inflation rates can pose a threat to investment returns. The Most Overlooked Item of Any Home Improvement The item most homeowners forget on their home improvement project checklist is insurance. Investing with Your Heart For some, the social impact of investing is just as important as the return, perhaps more important.