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 What Is My Current Net Worth? Use this calculator to estimate your net worth by adding up your assets and subtracting your liabilities. Choosing a Retirement Plan that Fits Your Business To choose a plan, it’s important to ask yourself four key questions. A Look at Diversification Diversification is an investment principle designed to manage risk, but it can't prevent against a loss.