To help you select the appropriate size for your self storage rental unit in Tacoma, we are happy to provide a storage volume chart. Note that the storage chart should only be used as a guide as it’s based on average sizes for the listed storage contents. Unit Size Cubic ft Square ft Possible Combined Contents 5’ x 5’ 200 25 Chest of drawers, several boxes, and small items 5’ x 8’ 320 40 Furniture from an average-sized bedroom plus several boxes 5’ x 10’ 400 50 Couch, chair, misc. items, mattress set, chest boxes 10’ x 10’ 800 100 One-bedroom apartment with boxes and small items 10’ x 15’ 1200 150 Two-bedroom apartment with appliances, boxes, small items, compact car 10’ x 20’ 1600 200 Two-bedroom house with appliances, misc. items and boxes