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. The Business Cycle Understanding the economy's cycles can help put current business conditions in better perspective. Keys to Investing for Retirement There are some key concepts to understand when investing for retirement.