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 Traditional vs. Roth IRA One or the other? Perhaps both traditional and Roth IRAs can play a part in your retirement plans. How Will Working Affect Social Security Benefits? Knowing the rules may help you decide when to start benefits. Coaches Coaches have helped you your whole life, in ways big and small. We'd like to be one of them.