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 | Related Content From Boats to Brokers From the Dutch East India Company to Wall Street, the stock market has a long and storied history. A Decision Not Made Is Still a Decision Investors who put off important investment decisions may face potential consequence to their future financial security. Keys to Investing for Retirement There are some key concepts to understand when investing for retirement.