SIZE GUIDE
Not sure which storage unit size is right for you? At B-21 Storage, finding the perfect fit is easy! Just think about everything you plan to store, including RVs, boats, vehicles, business equipment, or personal items, and estimate the quantity. Use our unit size calculator to see which options meet your needs, from climate-controlled spaces to shop-style units with power and heat. If you have any questions or need personalized guidance, our storage experts are just a call away at (605) 591-9183.
5 × 5 Storage Unit
(25 sq. ft.)
These compact 5×5 units are roughly the size of a standard closet. They’re perfect for storing extra belongings such as small furniture, seasonal items, and assorted boxes.
5 × 10 Storage Unit
(50 sq. ft.)
About the size of a walk-in closet, perfect for a small bedroom’s furniture, including sofas, chairs, dressers, or mattresses, or business office equipment.
10 × 10 Storage Unit
(100 sq. ft.)
Roughly half the size of a one-car garage, a 10×10 unit is ideal for storing a full living room, a one-bedroom apartment with appliances, or additional furniture and household items.
10 × 15 Storage Unit
(150 sq. ft.)
About the size of a standard living room, a 10×15 unit can store the contents of up to three bedrooms. It’s perfect for large furniture, major appliances, boxes, and business inventory.
10 × 20 Storage Unit
(200 sq. ft.)
About the size of a standard one-car garage, a 10×20 unit can store a three- to four-bedroom home or all your business inventory and files. It’s also ideal for multiple storage racks.
10 × 30 Storage Unit
(300 sq. ft.)
About the size of a two-car garage, a 10×30 unit fits a 5+ bedroom home, large furniture, appliances, and even vehicles like cars, jet skis, or motorcycles.
Storage Calculator
Bed, King Size
approximately 70 cubic feet
Bed, Double Size
approximately 55 cubic feet
Bed, Single
approximately 40 cubic feet
Bed, Bunk (set of 2)
approximately 70 cubic feet
Dresser, Chest of Drawers
approximately 30 cubic feet
Cedar Chest
approximately 15 cubic feet
Ironing Board
approximately 10 cubic feet
Side Tables
approximately 10 cubic feet
Wardrobe Boxes (30 hangers)
approximately 10 cubic feet
Mirror
approximately 10 cubic feet
Size Suggestion
To receive a size suggestion, select the items you wish to store.
