If you are planning to use a mileage log, then you might want to think about using a free mileage log spreadsheet to help you keep track of your mileage. If you are not sure how to create a mileage log spreadsheet, then you can easily use the services of a copywriter to do it for you. Once you start using a mileage log spreadsheet, you will find that you can make all of your entries easily, and the time that you spend writing your log will be time well spent.