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. A Decision Not Made Is Still a Decision Investors who put off important investment decisions may face potential consequence to their future financial security. 5 Smart Investing Principles Principles that can help create a portfolio designed to pursue investment goals.