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 Capital Gains Tax When Selling Your Home If your clients are buying or selling a home, use this to help them determine if they qualify for capital gains taxes. Red Flags for Tax Auditors Here are six flags that may make your tax return prime for an IRS audit. Silver Sneakers 101 Medicare’s popular program, offering free gym membership and health education.