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 Why Everyone Needs an Estate Strategy Do you have an estate strategy? You should. How Big is Money? Learn a little about worldwide currency in this fun infographic The Financial Literacy Crisis Many Americans are operating their personal finances with only the barest minimum of knowledge.