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 Conquering Retirement Challenges for Women Looking ahead can help you conquer these unique obstacles. From Boats to Brokers From the Dutch East India Company to Wall Street, the stock market has a long and storied history. Your Changing Definition of Risk in Retirement A change in your mindset during retirement may drive changes to your portfolio.