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. A Look at Diversification Diversification is an investment principle designed to manage risk, but it can't prevent against a loss. Who Is Your Trusted Contact? This investment account question is vital and answered as early as possible.