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 Choosing a Retirement Plan that Fits Your Business To choose a plan, it’s important to ask yourself four key questions. Are You Ready for Your Portfolio to Make a Difference? Learn about the rise of Impact Investing and how it may benefit you. Federal Income Tax Use this calculator to estimate your income tax liability along with average and marginal tax rates.