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. It fits furnishings of a mid-sized bedroom, including a queen-sized bed, a dresser, a TV and several small to medium-sized boxes.

The 8x15 self storage units are 8 feet wide and 15 feet long, totaling 120 square feet. It fits the furnishings of a bedroom, including a queen-sized bed, multiple dressers, nightstands, golf clubs, a TV and several medium to large-sized boxes.