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. Related Content The Lowdown on Those Free Credit Scores What’s the deal with your yearly free credit report? Retirement Plan Choices for Small Businesses Retirement choices can be intimidating. Picking the right strategy. Strategies for Managing Student Loan Debt Five strategies for managing your student debt.