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 The Cycle of Investing Understanding the cycle of investing may help you avoid easy pitfalls. The New Red Scare: Chinese Ownership of U.S. Debt China owns a portion of the total outstanding debt of the U.S. Government. What does it mean? 5 Smart Investing Principles Principles that can help create a portfolio designed to pursue investment goals.