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 Inflation & Retirement Estimate how much income may be needed at retirement to maintain your standard of living. What If You Get Audited? The chances of an IRS audit aren't that high. And being audited does not necessarily imply that the IRS suspects wrongdoing. What Do Your Taxes Pay For? Here's a breakdown of how the federal government spends your tax money.