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? Address Thank you! Oops! Related Contents What Smart Investors Know Smart investors take the time to separate emotion from fact. How Stocks Work Understanding how a stock works is key to understanding your investments. 5 Smart Investing Strategies Getting what you want out of your money may require the right game plan.