Self Storage Size Guide


The below sizing guide will help you get a better idea of how much space you need. Don't worry if you can't choose between two similar sizes—just rent the space online that you think works best, and if you need another size, we'll adjust your reservation with no problem! Need help? Our friendly staff is available to answer any questions you might have. We can even hold your name on the size you need so you know your unit is waiting for you!
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  • Locker size unit
  • Five foot by five foot unit
  • Five foot by ten foot self storage unit
  • Five foot by fifteen foot self storage unit
  • Ten foot by ten foot self storage unit
  • Ten foot by fifteen foot self storage unit
  • Ten foot by twenty foot self storage unit
  • Ten foot by twenty five foot unit
  • Ten foot by thirty foot unit
  • Ten foot by forty foot unit
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  • Room Size
    Locker
    Height
    ~4 ft
    Width
    5 ft
    Depth
    5 ft
    Similar to a telephone booth or small cupboard.
  • Room Size
    25 SqFt
    Height
    8-10 ft
    Width
    5 ft
    Depth
    5 ft
    Comparable to a walk-in closet.
  • Room Size
    50 SqFt
    Height
    8-10 ft
    Width
    5 ft
    Depth
    10 ft
    Similar to the size of a large garden shed.
  • Room Size
    75 SqFt
    Height
    8-10 ft
    Width
    5 ft
    Depth
    15 ft
    Fits the contents of a box truck / 1-bed apartment.
  • Room Size
    100 SqFt
    Height
    8-10 ft
    Width
    10 ft
    Depth
    10 ft
    Suitable to store a 2-bedroom apartment / house.
  • Room Size
    150 SqFt
    Height
    8-10 ft
    Width
    10 ft
    Depth
    15 ft
    Size of a single garage, can store a 2 bedroom house.
  • Room Size
    200 SqFt
    Height
    8-10 ft
    Width
    10 ft
    Depth
    20 ft
    Fits the contents of a 7.5 ton truck / 3-bed house.
  • Room Size
    250 SqFt
    Height
    8-10 ft
    Width
    10 ft
    Depth
    25 ft
    Size of a double garage, stores a 4-bed house.
  • Room Size
    300 SqFt
    Height
    8-10 ft
    Width
    10 ft
    Depth
    30 ft
    Fits the contents of a 30 ft truck.
  • Room Size
    400 SqFt
    Height
    8-10 ft
    Width
    10 ft
    Depth
    40 ft
    Ideal for business storage or a large household.

FIND A STORAGEMART FACILITY NEAR YOU!

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What Fits in a Storage Unit?

Small (25 – 50 Sq. Ft.)

If you can see your items fitting in a standard or walk-in closet, then a small storage unit is the space you're looking for. You'll be able to fit a room of furniture and some boxes, or a one bedroom apartment in a small storage unit. Small storage units can accommodate business files and records and hold anywhere from 30 to 130 boxes.

Medium (81 to 150 Sq. Ft.)

If you can see your items fitting in an average bedroom when everything is packed and stacked up, then a medium storage unit is probably what you're looking for. If you need a little bit more space, we have medium storage units as large as a modest garage. These units can store up to a two bedroom home. You can store chairs, sofas, desks, a mattress and frame, and boxes in this space. Medium storage units can hold anywhere from 100 to 290 boxes, or you can store desks, cabinets, computers, printers, copiers, and other medium-sized office equipment in this space.

Large (151 to 300 Sq. Ft.)

If you can visualize your items packed and stored in a large living room or one car garage, then a large storage unit is what you're looking for. Large storage units may store desks, bookcases, patio furniture, sofas, beds, and other large household items. Large storage units hold anywhere from three to six rooms of furniture, or a three bedroom home. Large storage units can store conference tables, sofas, cabinets, cubicles, and other large office equipment. These units have enough space to place shelving and boxes of files in your unit and hold anywhere from 200 to 580 boxes. Business owners also use large storage for inventory management or storing tools and other equipment.

Extra Large (301 Sq. Ft. and up)

If your items could be stored and packed in a space about the size of a two car garage, then an extra large storage unit is what you're looking for. Store mattress sets, sofas, patio furniture, baby cribs, appliances, and other large household items. Extra large storage units can store an entire five bedroom home or more. Store conference tables, desks, cubicles, computers, and servers, with a lot of room for boxes, inventory, tools, or equipment.

Parking (18 to 38 Ft. deep)

Parking spaces large enough to accommodate your car, truck, boat, or RV. Rent space for your trailer, jet skis, or RTVs. Learn more about how storing your RV at StorageMart can help keep your vehicle safe during inclement weather.  Rent parking spaces for your company trucks, vans, and other company vehicles, with 24-hour access available for your convenience.
Sizes are approximate. Please inspect your unit and ensure the space you rent meets your needs. Storage unit accommodation ability will vary based on the size of your contents and belongings.