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 Saving for Retirement This calculator can help you estimate how much you may need to save for retirement. The Latte Lie and Other Myths Check out this video to begin separating fact from fiction. 9 Facts About Retirement Regardless of how you approach retirement, there are some things about it that might surprise you.