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 Making Your Tax Bracket Work Have you explored all your options when it comes to managing your taxable income? Your Shifting Risk Tolerance Time and market performance may subtly and slowly imbalance your portfolio. A Brief History of Estate Taxes Federal estate taxes have long since been a lucrative source of funding for the federal government.