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 Where Will Your Retirement Money Come From? Retirement income may come from a variety of sources. Here's an overview of the six main sources. Dreaming Up an Active Retirement When you retire, how will you treat your next chapter? The Economic Journey of Your Morning Coffee Few contemplate the complex journey that brought their coffee from farm to kitchen table.