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 Message Thank you! Oops! Related Content What Smart Investors Know Smart investors take the time to separate emotion from fact. Estimating the Cost of College This worksheet can help you estimate the costs of a four-year college program. Keys to Investing for Retirement There are some key concepts to understand when investing for retirement.