What are the Most Popular Storage Unit Sizes?

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If you’re in the process of decluttering, moving, or simply looking for extra space to store your belongings, choosing the right storage unit size is crucial.

Whether you need a compact unit for a few personal items or a spacious option to store larger belongings, there’s a storage unit for just that.

Among the most popular storage unit sizes, the 10×10 unit is (undoubtedly) the most rented. But, there are many more sizes to choose from

Below, we’ll go into detail about the kinds of things you can fit in each type of storage unit. First, here’s a look at the average price for each size unit. 

Note: These prices might vary depending on the storage facilities in your location.

Storage Unit SizeAverage Price
5’x5’$50-$75
5’x10’$75-$150
10’x10’$125-$175
10’x15’$175-$250
10’x20’, 10’x30’, 10’x40’$250+

5’x5′ Storage Unit

The 5’x5′ unit is the smallest storage unit available. With 25 square feet of space, it is perfect for storing small items and boxes. If you recently decluttered your bedroom or need to store a few bins of seasonal decorations, this unit is an ideal choice.

5’x10′ Storage Unit

The 5’x10′ storage unit offers 50 square feet of space, making it an excellent option for storing belongings from a small studio or a one-bedroom apartment. This unit size can comfortably hold a mattress set, a small dining set, and a few boxes. It’s perfect for those who need a bit more space but don’t require a large unit.

10’x10’ Storage Unit

The 10’x10’ unit is the most popular storage unit size, with 100 square feet of space. While not all storage units are the same height, generally, you can fit the contents of a small two-bedroom apartment in this size storage unit.  

The 10’x10′ unit can accommodate refrigerators, ovens, couches, and many other appliances and pieces of furniture.

10’x15′ Storage Unit

Stepping up in size, the 10’x15′ storage unit provides 150 square feet of space. This mid-sized unit can accommodate the contents of a two-bedroom apartment, including its furniture, large appliances, and additional boxes. It’s a popular choice for individuals who are moving or renovating and need temporary storage for their household items.

10’x20′ Storage Unit

The 10’x20′ storage unit offers 200 square feet of space, providing even more room for your belongings. This size is suitable for storing the contents of a three-bedroom house, including larger furniture pieces like sofas, beds, and appliances.

The 10’x20′ unit can also be a great option for storing vehicles, such as cars, motorcycles, or small boats.

10’x30′ Storage Unit

A 10’x30′ storage unit is usually the largest size available at most facilities. With 300 square feet of space, it’s perfect for those with extensive storage needs. This unit can easily hold the contents of a large house, including the furniture, appliances, and stacks of moving boxes. It’s an excellent choice for those undergoing a major home renovation, moving to a new location, or needing temporary storage for their belongings.

Depending on your facility of choice’s policies, you may be able to store a vehicle in a storage unit of this size, including a motorcycle, UTV, ATV, boat, RV, SUV, etc.

10′ x40′ Storage Unit 

The 10’x40′ storage unit, encompassing an impressive 400 square feet of space, presents an ideal solution for those with extensive storage needs. This generously sized unit offers ample room to accommodate your large house contents, making it a popular choice for individuals undergoing a relocation or downsizing. 

How to Pick the Correct Storage Unit Size

With so many different unit options, how do you pick the right size storage unit for your needs? Here are a few key considerations that might save you money when buying self-storage:

  • What Kinds of Items You’re Storing: If you’re storing easily packable items, such as business inventory or collectibles, stacking totes vertically can save you a lot of floor space. In this case, consider a smaller unit and put your pack-and-stack abilities to the test.
  • Long vs. Short Term: If you’re storing items for a long time, you’ll want to find affordable storage options (like a smaller 10’x10’ unit), as these monthly costs can add up. But if you only need short-term storage as you move house, a larger unit might make it easier to move furniture in and out. 
  • Automotive Units: If you’re storing a classic car, ATVS, or other vehicles, the standard 10’x10’ self-storage unit won’t be enough for you. Consider a longer unit, such as the 10’x20’, which should give you ample room to maneuver the vehicle in and out of the storage space.
  • Measure Ahead of Time: If you need self-storage units for a lot of furniture or appliances, try to measure the items ahead of time. Using grid paper can help you to quickly estimate if all your items will fit in a certain-sized unit. 

Break Away from Conventional Self-Storage

Most traditional storage units are 10’x10’, but that size (and price) doesn’t always work for everyone. 

Should you find yourself in a Goldilocks situation where a 10’x10′ unit is too small, but the next size up isn’t quite right either, you can turn to Neighbor, a peer-to-peer storage marketplace that connects users with private storage units in unique dimensions, such as a 12’x14′. 

That way, you don’t have to pay for a single square foot of storage space you don’t plan on using. Plus, Neighbor’s storage options are available in all 50 states at prices 50% lower than traditional storage providers.

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