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 Question Thank you! Oops! Related Content Reviewing Your Life Insurance Needs Learn how the review process works and how it may help you better understand your Life Insurance. Disability Income This calculator estimates your chances of becoming disabled and your potential need for disability insurance. Choosing a Retirement Plan that Fits Your Business To choose a plan, it’s important to ask yourself four key questions.