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 The Most Overlooked Item of Any Home Improvement The item most homeowners forget on their home improvement project checklist is insurance. Timing Your Retirement This short video illustrates why knowing when to retire can be a crucial part of your strategy. Red Flags for Tax Auditors Here are six flags that may make your tax return prime for an IRS audit.