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 What Smart Investors Know Smart investors take the time to separate emotion from fact. Investment Challenges of the Affluent Investor Affluent investors face unique challenges when putting together an investment strategy. Make sure you keep these in mind. 5 Smart Investing Principles Principles that can help create a portfolio designed to pursue investment goals.