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. Share | Have A Question About This Topic? Address Thank you! Oops! Related Contents Charitable Giving: Smart from the Heart Do you have causes that you want to support with donations? Here are three tips. What is the Value of Your Business? Ascertaining the value of your business is important for a variety of reasons. What Is My Life Expectancy? Estimate how many years you may need retirement assets or how long to provide income to a surviving spouse or children.