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 Inflation and Your Portfolio Even low inflation rates can pose a threat to investment returns. Investment Challenges of the Affluent Investor Affluent investors face unique challenges when putting together an investment strategy. Make sure you keep these in mind. What Is the Dividend Yield? This calculator helps determine your pre-tax and after-tax dividend yield on a particular stock.