Interested in a Fuel Efficient Car? Estimate how many months it may take to recover the out-of-pocket costs when buying a more efficient vehicle. You are viewing this website at a small screen resolution which doesn't support calculators. Click here to view this calculator. Have A Question About This Topic? Name Email Address Message Thank you! Oops! Related Content The Pre-Retirement Checklist This checklist can give you a quick snapshot of how prepared you are. Home Mortgage Deduction Use this calculator to assess the potential benefits of a home mortgage deduction. Assess Life Insurance Needs How to help determine life insurance needs to provide for your family after you pass away.