Storage Unit Sizes Guide

If you’ve ever wondered what you can fit into a typical self-storage unit, we have just the resource for you! Use our simple storage unit size guide to help you visualize your belongings in a space and select the unit that best suits your needs. Below, we’ll go over small, medium, and large units.

Small Storage Units

Small storage units are the ideal option for storing smaller miscellaneous items that you may not need throughout the year. They’re perfect for Christmas decorations, seasonal furniture, or yard equipment.

5' x 5'
Large Closet

25 square feet

A 5 x 5 self-storage unit is the size of a large closet. Here, you can store small furniture items such as chairs, nightstands, coffee tables, and compact bookcases, as well as a small mattress set.
You can also store a couple of small appliances, such as a washer/dryer combo, microwave, and dishwasher. This small storage unit is ideal for storing small items in labeled boxes and seasonal items.

Diagram of 5x5

5' x 10'
One Room

50 square feet

A 5 x 10 self-storage unit is the size of a large walk-in closet. Here, you can store the items of a small one-bedroom apartment, studio, or small office. This includes a small bedroom set, a dresser, chairs, file cabinets, or a small couch.
In this small storage unit, you can fit small items like lamps, coffee tables, kitchenware, a bicycle, picture frames, items in labeled boxes, or yard equipment.

Diagram of 5x10 storage unit size

Medium Storage Units

Medium units are among the most popular storage unit sizes, as they accommodate belongings that fit into larger rooms. Furniture and equipment from one- to two-bedroom apartments and offices can fit into these spaces.

5' x 15'
Two Rooms

75 square feet

A 5 x 15 self-storage unit is long and narrow. You can store up to two rooms, including items from a one-bedroom apartment or office. Narrow items, such as mattress sets, dressers, bookcases, and file cabinets, are perfect for this size of space.
This medium storage unit size will also accommodate garage items such as ladders, bicycles, yard equipment, and/or labeled boxes. Try to keep a small space clear on one side of the unit for easy access to items in the back.

Diagram of 5x15 storage unit size

10' x 10'
Three Rooms

100 square feet

A 10 x 10 self-storage unit is the size of a small bedroom. You can store up to three rooms' worth of items, such as those found in a one- to two-bedroom apartment, including two bedroom sets, a couple of large appliances, a dining room table, and chairs stacked up.
A small couch and coffee table will also fit, as well as a few labeled boxes with small items. This medium storage unit is ideal for holding office items such as desks, file cabinets, bookcases, computer boxes, fax machines, and office supplies, which are perfect for this size of space.

Diagram of 10x10 storage unit size

Large Storage Units

Larger storage unit sizes tend to resemble a garage space. These units can hold items in a two- to four-bedroom home. There’s plenty of room throughout the unit for cars, furniture, or machinery.

10' x 15'
Four Rooms

150 square feet

A 10 x 15 self-storage unit is the size of a regular-sized bedroom. Store up to four rooms' worth of items, or the contents of a two-bedroom house or a large office. Put away bedroom sets, large appliances, living room and dining room furniture, computer desks, unused electronics, yard equipment, tools, work equipment, and labeled boxes with smaller items.
You can also use this large storage unit to store small vehicles, such as small cars, golf carts, motorcycles, ATVs, or small boats.

Diagram of 10x15 storage unit size

10' x 20'
Five Rooms

200 square feet

A 10 x 20 self-storage unit is the size of a standard one-car garage. You can store up to five rooms' worth of items, or the contents of a two- to three-bedroom house, as well as those from a large office.
Bedroom sets, living room and dining room furniture, large kitchen and laundry appliances, and labeled boxes will fit in this rental. You can also use this large storage unit space to store larger items, such as a mid-size collectible car and large toolboxes.

Diagram of 10x20 storage unit size

10' x 25'
Six Rooms

250 square feet

A 10 x 25 self-storage unit is the size of a large one-car garage. Here, you can store up to six rooms' worth of items, such as bedroom sets, large furniture, large appliances, patio furniture, carefully packed home decor, labeled boxes of smaller items, lawn care equipment, and seasonal items.
This large storage unit can also accommodate a large collectible vehicle, with plenty of space to store smaller items behind or in front of it.

Diagram of 10x25 storage unit size

10' x 30'
Seven Rooms

300 square feet

A 10 x 30 self-storage unit is the size of a two-car garage. Store up to seven rooms or the items of a four-bedroom house, a large office space of multiple rooms, two mid-size vehicles, large machinery, plus all the items mentioned previously for smaller unit sizes.
When storing items in this large storage unit, ensure that a clear path is left in the middle or on one side for easy access to items located at the back of the unit.

Diagram of 10x30 storage unit size

Vehicle Storage Units

Vehicle storage unit sizes offer outdoor or indoor space for various types of vehicles, including motorcycles, cars, RVs, and more.

5' x 10'
Enclosed

Fully Enclosed Unit

This 5 x 10 fully enclosed storage unit is ideal for a cruiser, a touring motorcycle, or two sports bikes. This unit will keep your motorcycle away from the elements and as secure as a regular car garage. These units are normally drive-up storage units and not part of a building.

Diagram of 5x10 enclosed storage unit size with a motorcycle in it

10' x 10'
Enclosed

Fully Enclosed Unit

This 10 x 10 fully enclosed storage unit is suitable for a jet ski with trailer, an ATV, or even a smart car. Enclosed units keep your vehicle or watercraft out of the elements and ready for your next outing.

Diagram of 10x10 enclosed storage unit size

10' x 15'
Parking

SMALL VEHICLE PARKING

This storage unit size is available up to a 20’ parking space. It will fit most cars and vans. Plus, it’s usually located outdoors. Make sure you use a vehicle cover to protect it from the weather if the car will not be moved for long periods of time.

Diagram of 10x10 enclosed storage unit size

10' x 20'
Parking

LARGE VEHICLE PARKING

This is up to a 50’ parking space that will fit most oversize vehicles. It’s a large vehicle parking space usually located outdoors, so you don’t have to worry about whether the space is too narrow or not tall enough. Make sure to use a vehicle cover to protect it from the weather.

Diagram of 10x20 enclosed storage unit size

RV
Parking
Small

SMALL RV PARKING

A small RV parking space is usually located outdoors. Make sure you use a vehicle cover to protect it from extreme weather conditions. Contact the storage facility to confirm the dimensions of the space and ensure it is a large enough storage unit size for your RV.

Small RV Storage

RV
Parking
Large

LARGE RV PARKING

A large RV parking space is usually located outdoors. Make sure you use a vehicle cover to protect it from extreme weather conditions. Contact the storage facility to confirm the dimensions of the space and ensure it is large enough for your RV.

Diagram of RV parked at a outdoor storage unit size

Boat
Storage

SMALL BOAT PARKING

A small boat parking space is usually 20' to 30’ long. In this space, you can store a small watercraft on a trailer. These parking spaces are typically located outdoors, and the use of a protective cover is recommended. Contact the storage facility to confirm the dimensions of the space and ensure it is large enough for your boat and trailer.

Diagram of boat parked in an outdoor storage unit size around 20 to 30’ long

Find the Right Storage Unit Size for You

Ready to choose a self-storage unit? Once you’ve browsed our storage size guide, you can take a look at this in-depth guide to get you started. When you have a better idea of what type of unit you’ll need, you can start your search for a storage facility near you!

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