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 Message Thank you! Oops! Related Content Retirement Seen Through Your Eyes What's your vision of retirement? The Sequence of Returns A look at how variable rates of return impact investors over time. Choosing a Retirement Plan that Fits Your Business To choose a plan, it’s important to ask yourself four key questions.