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 Does Your Child Need to File an Income Tax Return? When your child has income, there’s a good chance that he or she will need to report it and pay taxes. Insurance Needs Assessment: Married With Children When you’re married and have children, insurance needs will be different. How to Make the Tax Code Work for You When you take the time to learn more about how it works, you may be able to put the tax code to work for you.