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 Does Your Portfolio Fit Your Retirement Lifestyle? Lifestyle considerations in creating your retirement portfolio. When Life Insurance Becomes Taxable Life insurance proceeds are generally tax-free. But not in all cases. From Boats to Brokers From the Dutch East India Company to Wall Street, the stock market has a long and storied history.