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 Should You Invest in Exchange Traded Funds? There are hundreds of ETFs available. Should you invest in them? A Look at Diversification Diversification is an investment principle designed to manage risk, but it can't prevent against a loss. 5 Smart Investing Principles Principles that can help create a portfolio designed to pursue investment goals.