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? Name Email Address Message Thank you! Oops! Related Content Should You Invest in Exchange Traded Funds? There are hundreds of ETFs available. Should you invest in them? How Stocks Work Understanding how a stock works is key to understanding your investments. 5 Smart Investing Principles Principles that can help create a portfolio designed to pursue investment goals.