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 Capital Gains Tax Estimator Use this calculator to estimate your capital gains tax. Roth IRA for Kids Learn about the benefits and requirements of opening a Roth IRA for kids. Investing with Your Heart For some, the social impact of investing is just as important as the return, perhaps more important.