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 Universal Life Insurance Universal life insurance is permanent insurance with a flexible premium. Here's how it works. Creative Ways to Motivate Your Employees Five creative (and inexpensive) ideas for motivating your employees. Retirement Plan Detectives A couple become Retirement Plan Detectives, searching records from old employers.