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 The Half Million Dollar Baby The true cost of raising a child may be far more than you expect. Charitable Giving: Smart from the Heart Do you have causes that you want to support with donations? Choosing a Retirement Plan that Fits Your Business To choose a plan, it’s important to ask yourself four key questions.