Standard Storage Unit Sizes
The following options are the standard storage unit sizes available at most storage facilities. All standard storage units will have a ceiling height of 8 feet.
5’ x 5’ Storage Unit
25
SQ FT
How big is a 5x5 storage unit?
A 5x5 storage unit is the size of a hall closet or half bathroom.
What fits in a 5x5 storage unit?
A dresser, small mattress set and several boxes will fit in a 5x5 storage unit. Other uses include seasonal decorations, gardening equipment, camping gear, children’s toys or off-season clothing. A 5x5 storage unit is the perfect size for about 15-20 regular size boxes.
5’ x 10’ Storage Unit
50
SQ FT
How big is a 5x10 storage unit?
A 5x10 storage unit is about the size of a large walk-in closet.
What fits in a 5x10 storage unit?
Furniture from a studio or one-bedroom apartment will fit in a 5x10 storage unit. This includes a queen-size mattress set, love seat, dresser, TV, bike and several storage boxes. A 5x10 storage unit can easily fit about 30 or more regular size boxes.
5’ x 15’ Storage Unit
75
SQ FT
How big is a 5x15 storage unit?
A 5x15 storage unit is similar in size to a small bedroom.
What fits in a 5x15 storage unit?
Furniture from a small one-bedroom apartment including a queen-size mattress set, love seat, dresser, TV, bike and several boxes will fit in a 5x15 storage unit. A 5x5 storage unit can hold anywhere from 30 to 35 regular size boxes.
10’ x 10’ Storage Unit
100
SQ FT
How big is a 10x10 storage unit?
A 10x10 storage unit is about the size of an average bedroom.
What fits in a 10x10 storage unit?
Furniture items from two bedrooms and an entire family room can fit in a 10x10 storage unit. This may include mattress sets, dressers, nightstands, sofa, chairs, coffee table, book shelves and more. If you were storing nothing but medium-sized boxes that are 20 inches by 20 inches, you could expect a 10x10 storage unit to hold up to 100 boxes. By the time you add furniture pieces and bedroom sets, the number of boxes a unit could hold is more like 50-60.
10’ x 15’ Storage Unit
150
SQ FT
How big is a 10x15 storage unit?
A 10x15 storage unit is equivalent in size to a small one-car garage.
What fits in a 10x15 storage unit?
The contents of a two- to three-bedroom house will fit in a 10x15 storage unit. This may also include large items like big-screen TVs, couches, entertainment centers, office furniture, dining tables and chairs and large appliances, like a refrigerator and washer/dryer set. A minimum of 60 standard-size boxes should fit within a 10x15 storage unit.
10’ x 20’ Storage Unit
200
SQ FT
How big is a 10x20 storage unit?
A 10x20 storage unit is the size of a standard one-car garage.
What fits in a 10x20 storage unit?
Items from a three- or four-bedroom house or apartment will fit in a 10x20 storage unit. This may include couches, mattress sets (queen-size and king-size sets), a dining room set, workout equipment, a refrigerator and washer and dryer. As the size of the storage unit increases, so does the amount of large furniture items you can store. Keeping that in mind, a 10x20 storage unit should easily be able to store between 80-100 boxes.
10’ x 25’ Storage Unit
SQ
FT Varies
How big is a 10x25 storage unit?
A 10x25 storage unit is slightly larger than a standard one-car garage.
What fits in a 10x25 storage unit?
The contents of a large four-bedroom house. A 10x25 storage unit can fit several bedroom sets, living room and game room furniture, gym equipment, large appliances, dining room furniture, office furniture and a minimum of 100 boxes.
10’ x 30’ Storage Unit
300
SQ FT
How big is a 10x30 storage unit?
A 10x30 storage unit is the size of a standard two-car garage.
What fits in a 10x30 storage unit?
A 10x30 storage unit will hold items from a fully furnished five-bedroom house including mattress sets, dressers, couches, a dining room set, entertainment center, major appliances, seasonal items, outdoor equipment and bikes. The 10x30 storage unit is typically one of the largest sizes available, and as such, can hold over 100 boxes. If you’re storing nothing but boxes, it could hold way more but usually people have a combination of boxes and furniture items that need safekeeping.
Storage Lockers
0-15
SQ FT
How big is a storage locker?
A storage locker is much smaller than a traditional storage unit and are typically stacked on top of one another. The ceiling height in a storage locker ranges from two to five feet.
What will fit in a storage locker?
A storage locker is ideal if you’re only storing a few boxes and bags.
How to Pick the Right Storage Unit Size
Finding a self storage unit near you is the first step of the process. The next step is to figure out the right storage unit size that best fits your needs. If you’re unsure of which type of unit to reserve, our storage unit size guide can help. In this video, we break down the most common storage unit sizes and the types of items that can fit in each one as well as the keys to determining what size storage unit you need. Key points include:
Determine what you want to put in storage:
Take stock of how much stuff you have and the number of items you’ll need to store. Count your boxes and compile an inventory of items. Evaluate the size, shape, and quantity of the items you really need to put in storage and use that to estimate how big of a storage unit you need. Make a note of any items that are larger than normal or oddly shaped. Note anything that would require climate-controlled storage units, too.
Plan to maximize the space:
Refer back to your inventory. Will you store mostly boxes? Are the items easily stackable? Do large furniture items need to be included? Remember that most storage units have a height of 8 feet, so when you think about how to organize your stuff, take advantage of vertical space and stack upward to the sky.
Calculate the amount of space you need:
If you're still in doubt, gather all of your stuff into one place and actually measure it with a tape measure. That will help you calculate which storage unit size you need so you don’t end up with the wrong size.
Choose Between Different Storage Unit Size Options
Most people struggle with how to pick the right size storage unit. Whether you’re looking to store the contents of an entire four-bedroom home or just your seasonal clothing, there’s a storage unit size that’s right for you. Start by narrowing down whether you need a small, medium or large storage unit. The storage unit size guide below compares the most standard storage unit sizes from small to large units.
Small Storage Units
Choose from a 5x5 storage unit, 5x10 storage unit or a 5x15 storage unit, which are the ideal storage unit sizes for seasonal decor, sporting equipment, business inventory, or small household items. Small storage units range in size from 25 to 75 square feet which is the equivalent of a hall closet, half bathroom or compact bedroom.
Medium Storage Units
Choose from a 10x10 storage unit, 10x15 storage unit or a 10x20 storage unit, which are the ideal storage unit sizes for a one-bedroom apartment all the way up to a two-to-three bedroom house, depending on the amount of furniture and large appliances you need to store. Medium storage units range in size from 75 to 200 square feet which is the equivalent of an average bedroom up to a one-car garage.
Large Storage Units
The most common large unit sizes are a 10x25 storage unit or a 10x30 storage unit, which are the ideal storage unit sizes for a three-bedroom house or a four-to-five bedroom house with large appliances, like a washer and dryer and refrigerator. Large storage units range in size from 200 to 300 square feet which is the equivalent of a one-car garage or a two-car garage.
We also offer a variety of other storage types, including car storage, RV storage, boat storage, college storage, and portable storage.
Storage Unit Size FAQs
These are the most common questions we get asked when people are trying to decide between storage unit sizes.
How tall are storage units?
What is the most common rented storage unit size?
What size storage unit do I need to store a few boxes?
What size storage unit do I need for a 1-bedroom apartment?
What size storage unit do I need for a 2-bedroom apartment?
What size storage unit do I need for a 3-bedroom house?
What size storage unit do I need for a 4-bedroom house?
What size moving truck should I get for a 10x10 storage unit?
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