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 What's New for Social Security? There have been a number of changes to Social Security that may affect you, especially if you are nearing retirement. Deciding When to Take Social Security One of the most common questions people ask about Social Security is when they should start taking benefits. SECURE Act 2.0: An Overview The second iteration of the SECURE Act brings forward several changes to the world of retirement.