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 Long-Term-Care Needs Determine your potential long-term care needs and how long your current assets might last. Diversification, Patience, and Consistency Three important factors when it comes to your financial life. Why Regular Rebalancing Makes Sense Without your knowing, your investment portfolio could be off-kilter.