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? Name Email Address Question Thank you! Oops! Related Content How Will Working Affect Social Security Benefits? Knowing the rules may help you decide when to start benefits. What is the Value of Your Business? Ascertaining the value of your business is important for a variety of reasons. An Inside Look at Retirement Living A number of questions and concerns need to be addressed to help you better prepare for retirement living.