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 Question Thank you! Oops! Related Content A Living Trust Primer Living trusts are popular, but their appropriateness will depend upon your individual needs and objectives. Red Flags for Tax Auditors Here are six flags that may make your tax return prime for an IRS audit. Immediate vs. Deferred Annuities Looking forward to retirement? It's critical to understand the difference between immediate and deferred annuities.