A 5x10 self storage unit is a 5 feet wide and 10 feet long small storage solution, totaling 50 square feet. For comparison, a 5x10 space is a small storage unit that's about the size of an average walk-in closet.

A 10x10 self storage unit is 10 feet wide and 10 feet long, totaling 100 square feet. Most of our 10x10 storage units have 8-foot ceilings, giving renters 800 cubic feet of packing space.

A 10×15 storage unit offers 150 square feet and 1,200 cubic feet of storage space. What Fits in a 10x15 Storage unit? These storage units can store several bedrooms' worth of furniture plus some additional items. This makes them great for storing the contents of a two-bedroom apartment.

Our 10x20 storage units are 10 feet wide and 20 feet long, equaling a total of 200 square feet of storage space. The ceiling height of our 10x20 units can vary by location, but many of our units have an 8-foot ceiling, providing up to 1,600 cubic feet of storage space.