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 When Markets React When markets shift, experienced investors stick to their strategy. Why Medicare Should Be Part of Your Retirement Strategy How Medicare can address health care needs in your retirement strategy. The Rule of 72 Do you know how long it may take for your investments to double in value? The Rule of 72 is a quick way to figure it out.