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. Share | Have A Question About This Topic? Name Email Address Question Thank you! Oops! Related Content A House Divided By understanding a few key concepts during a divorce, you may be able to avoid common pitfalls. How Compound Interest Works Use this calculator to better see the potential impact of compound interest on an asset. How Income Taxes Work A quick look at how federal income taxes work.