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 A Checklist for When a Spouse or Parent Passes An overview of some fundamental steps when a loved one passes. The Great Debate Continues: Active vs. Passive In investments, one great debate asks the question, “Active or Passive Investing: Which Is Better?” Taxable vs. Tax-Deferred Savings Use this calculator to compare the future value of investments with different tax consequences.