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. How the Federal Reserve Works Each day, the Fed is behind the scenes supporting the economy and providing services to the U.S. financial system. What Is My Risk Tolerance? This questionnaire will help determine your tolerance for investment risk.