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 The Rule of 72 Do you know how long it may take for your investments to double in value? The Rule of 72 is a quick way to figure it out. The New Red Scare: Chinese Ownership of U.S. Debt China owns a portion of the total outstanding debt of the U.S. Government. What does it mean? Impact of Taxes and Inflation Estimate the potential impact taxes and inflation can have on the purchasing power of an investment.