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 Question Thank you! Oops! Related Content Retirement Plan Detectives A couple become Retirement Plan Detectives, searching records from old employers. Financial Fixes: 5 Tips for Handling Inheritance Remember that family reunion you wanted to forget? The Long Run: Women and Retirement For women, retirement strategy is a long race. It’s helpful to know the route.