Don't know what size self storage unit you need? Use Sergeant Storage's handy self storage unit size calculator to find the right sized storage unit for your business and personal self storage needs. Enter what you intend to store and watch the calculator go to work and suggest the best size. Our calculator is designed to give you the most efficient result and we encourage you to make the best use of the ceiling height in your storage unit. If you have any questions, our expert managers are happy to give you a tour of any of our available units as well as instruct you on the proper ways to store your goods and items to get the most out of the storage space.