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. Share | Have A Question About This Topic? Name Email Address Question Thank you! Oops! Related Content Insurance Planning Following Divorce If you are recently divorced, take steps to ensure that you are properly protected. 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. Retirement and Quality of Life Asking the right questions about how you can save money for retirement without sacrificing your quality of life.