5 x 5 (25sq ft) Great for storing extra items, stacking boxes, seasonal items and file storage. 5 x 10 (50sq ft) Size of a walk-in closet. Holds contents of a typical studio apartment, great for college students or for storing important business files. 5 x 15 (75sq ft) Fits the contents of a 1 bedroom apartment with limited appliances, extra boxes and small items. 10 x 10 (100sq ft) Fits contents of a 1 to 2 bedroom apartment including appliances, plus boxes. This size is popular due to it's equal width which makes room for extra wide items or allowing for a walkway. 10 x 15 (150 sq ft) Larger than a one-car garage, this storage space holds the items of a three-bedroom apartment or small house plus extra boxes and small items. 10 x 20 (200sq ft) The equivalent of a one-car garage and lots more. This storage space accommodates a large three bedroom home or apartment and more. It also may be used to store a car, truck, boat or RV.