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 Question Thank you! Oops! Related Contents Inflation and Your Portfolio Even low inflation rates can pose a threat to investment returns. Value vs. Growth Investing Among stock-market investors there’s long been a debate between those who favor value and those who favor growth. Keys to Investing for Retirement There are some key concepts to understand when investing for retirement.