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 Home Mortgage Deduction Use this calculator to assess the potential benefits of a home mortgage deduction. Earnings for All Seasons Earnings season can move markets. What is it and why is it important? The History of Currency Currency has been around for a long time. Here’s a quick history lesson.