Performing the cost-per-mile calculation regularly on your fleet operations is key to making more money for your company. It’s not what you earn in revenues that’s most important . . . it’s what you retain as earnings. How much you keep depends on how much you spend. Knowing how much you spend is key to determining how much you need to charge for services. Setting rates higher than expenses yet remaining competitive is one of the most essential exercises in determining the financial health of your trucking company.