What Size Do I Need?.Unit Size: 5'X10' (50 Sq. Ft.)Equivalent to:Walk-in ClosetThis Unit will hold:Small amounts of furniture, sofas, chairs, chest of drawers, boxspring and mattress, business supplies and records. Plus other small items and boxes.Unit Size: 10'X10' (100 Sq. Ft.)Equivalent to:Half of a one-car garageThis Unit will hold:One-bedroom apartment with major appliances, other furniture and supplies.Unit Size: 10'X15' (150 Sq. Ft.)Equivalent to:Two-thirds of a one-car garageThis Unit will hold:A two-bedroom apartment or house, including appliances, boxes and miscellaneous items and commercial storage inventory.Unit Size: 10'X20' (200 Sq. Ft.)Equivalent to:Standard one-car garageThis Unit will hold:A three-bedroom house with major appliances, plus lots of boxes. Business storage files and inventory ideal for storage racks.