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 Social Security Benefits: How Much Will I Receive Calculating your potential Social Security benefit is a three-step process. What to Look for in Personal Finance Apps An increasing number have been developed to help individuals with their personal finances. Choosing a Retirement Plan that Fits Your Business To choose a plan, it’s important to ask yourself four key questions.