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 Look at Diversification Diversification is an investment principle designed to manage risk, but it can't prevent against a loss. Long-Term-Care Needs Determine your potential long-term care needs and how long your current assets might last. Making Sense Of A Home Warranty Understanding the value of a home warranty.