A 10x5 storage unit is the size of a small walk-in closet.
Small furniture, chairs, chest of drawers, box spring and mattress, business supplies and records. Plus other small items and boxes.
A 10x10 storage unit is the size of half of a standard one-car garage.
It fits the contents of a one-bedroom apartment with other furniture and supplies.
A 10x15 storage unit is a little smaller than a standard one-car garage.
It fits the contents of three full bedrooms and larger items such as a piano, couches, tables, or large-screen TVs, plus several medium to large-sized boxes.
A 10x20 storage unit is the size of a standard one-car garage.
It fits the contents of a multi-bedroom house, including several over-sized items like a couch, a refrigerator, a washer/dryer and a dining room set or several large boxes.
10x30 unit is two 10x15s back to back with no wall in between. You can drive right through it.
Commerical/industrial units with utilities.