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 When Markets React When markets shift, experienced investors stick to their strategy. Retirement Accounts When You Change Your Job This video discusses issues related to your retirement accounts when you move on from your job. My Retirement Savings Estimate how long your retirement savings may last using various monthly cash flow rates.