Contributing to an IRA? Determine if you are eligible to contribute to a traditional or Roth IRA. 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. Deciding When to Take Social Security One of the most common questions people ask about Social Security is when they should start taking benefits. The Utility of Sector Investing Successful sector investing is dependent upon an accurate analysis about when to rotate in and out.