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 A New Way to Look at Your Bucket List Bucket lists don’t have to be for tomorrow. Password Protection Strategies Simple steps may help you foil hackers and protect your privacy. Federal Income Tax Use this calculator to estimate your income tax liability along with average and marginal tax rates.