Finding the Right Self Storage Unit for Your Needs
Choosing the right self storage unit size doesn't have to be complicated. Extra Space Storage offers a range of unit sizes from small storage lockers to large units that can hold the contents of an entire home.
Whether you're storing moving boxes, oversized items, or the contents of an apartment or home, this guide can help you estimate the space you'll need. Compare common unit sizes, see what fits, and find the best storage solution for you.
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What Size Storage Unit Do I Need?
Choosing the right storage unit size will depend on the size of your home and how many belongings you need to store. To estimate which storage unit might be right for you, start here:
Studio apartment: 5x10 storage unit
1-bedroom apartment: 5x15 storage unit
2-bedrooms: 10x10 or 10x15 storage unit
3-4 bedroom: 10x20 storage unit
3-4 bedrooms: 10x25 storage unit
5+ bedrooms: 10x30 storage unit
Car: 10x20 storage unit
Motorcycle: 5x10 storage unit
How Tall Are Storage Units?
Storage units are typically 8 feet tall. Select units have 10-foot ceilings (and taller) to accommodate unique storage needs like storing larger vehicles. Facilities in large cities like New York City often offer reduced-height storage units that offer the same square footage at lower prices.
Social Media Storage Unit Reviews
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Storage Unit Sizes Chart
Find the best self storage unit size for your needs in this table.
Cubic feet is calculated by a typical 8-foot-tall unit. Exact dimensions will depend on your facility's available units.
STORAGE UNITS FOR OVERSIZED BELONGINGS
Mattresses
Choosing the right size storage unit for your mattress depends on which mattress size you’re storing. Smaller mattresses will fit in almost any storage unit, while queen and king-sized mattresses will require a larger space.
Twin or full-size mattress: A 5x5 will easily accommodate all mattresses smaller than a queen-size mattress.
Queen-size mattress: A 5x10 is the recommended storage unit size for a queen-size mattress. While you may be able to use a 5x5, the space will be tight, especially if you plan to store other items.
Motorcycles
Almost all motorcycles are longer than five feet in length. This makes 5×10 storage units (and larger) a good fit for anyone looking for an indoor vehicle storage option for their bike.
Vehicles
The small compact cars may be able to fit in a 10x15 storage unit, but the vast majority of vehicles, including standard-sized cars, SUVs, vans, and even some pickups, will fit into a 10x20 storage unit pretty easily. Some larger vans and trucks will require a 10x25 or a 10x30.
SMALL STORAGE UNITS
Storage units ranging from 5x5 to 5x10 provide more space than you'd think—and are often more affordable than you'd expect. On average a 5x5 unit costs around $38 per month, while a 5x10 costs $65 per month.
Your total price will depend on your exact location and any additional amenities you might need. Some common uses for small storage include, seasonal storage for holiday decorations and yard tools, storing children's clothing, toys, and books, getting more space at home, and summer storage for students. Learn more about the difference between a 5x5 and 5x10 storage unit.
Storage Locker
How big is a storage locker? Typically the size of a large kitchen pantry and between 4 and 25 square feet—with reduced height (between 3 and 5 feet).
How much can a storage locker hold? A storage locker can hold a few medium-sized boxes, bedding and linens, seasonal decor and equipment, small furniture pieces, or a seasonal wardrobe.
5x5 Storage Unit
How big is a 5x5 storage unit? 5x5 units are about the size of a small closet or half bathroom, measuring 25 square feet of floor space and 200 cubic feet of total storage capacity.
How much can a 5x5 storage unit hold? Capable of holding the contents of a large closet or small bedroom, such as small furniture items like a twin mattress or small dresser, several boxes (5-8), seasonal items, bikes and skies.
5x10 Storage Unit
How big is a 5x10 storage unit? With 50 square feet and 400 cubic feet of storage space, a 5x10 storage unit is similar to a standard-sized walk-in closet.
How much can a 5x10 storage unit hold? Capable of holding the contents of a studio apartment, a 5x10 storage unit can hold items like a queen-sized mattress set, 15-20 boxes, or a motorcycle.
MEDIUM STORAGE UNITS
Storage units ranging from 5x15 to 10x15 are highly versatile and are commonly used to store the contents of an apartment or condo, additional storage to free up space at home, business storage for equipment, inventory, and materials.
While slightly more expensive than a small unit, a 5x15 typically costs $90 per month, a 10x10 averages $112 per month, and a 10x15 costs around $156 per month. See if a small or medium unit works best for you by comparing 5x10 vs 10x10 storage units. Or compare medium and large units with our 10x15 vs 10x20 guide.
5x15 Storage Unit
How big is a 5x15 storage unit? Comparable to a large walk-in closet, 5x15 storage units provide 75 square feet of floor space and 600 cubic feet of total storage allowance.
How much can a 5x15 storage unit hold? Capable of holding the contents of an entire bedroom, including a mattress set, dresser, and nightstands, plus appliances and several boxes (about 30), the 5x15 is a popular option for those moving out of a small apartment or condo. It can be used to store small vehicles and longer items like canoes and exercise equipment.
10x10 Storage Unit
How big is a 10x10 storage unit? Roughly half the size of a standard one-car garage, 10x10 storage units offer 100 square feet of floor space and 800 cubic feet of total storage space.
How much can a 10x10 storage unit hold? With enough space for multiple sets of bedroom furniture, items from a large living room, and several boxes, 10x10 storage units are commonly used to store the contents of two full bedrooms or a large family room. Some items that can be stored in these units include a motorcycles, ATVs, and riding lawn mowers.
10x15 Storage Units
How big is a 10x15 storage unit? Comparable in size to a large bedroom, a 10x15 storage unit offers 150 square feet of floor space and 1,200 cubic feet of total storage capacity.
How much can a 10x15 storage unit hold? These storage units can store several bedrooms’ worth of furniture plus dining room sets, many moving boxes, and small vehicles. This makes them great for storing the contents of a two-bedroom apartment. Some commonly stored items might include motorcycles, ATVs, riding lawn mowers, and business inventory.
LARGE STORAGE UNITS
With enough space to store the contents of entire homes, 10x20 to 10x30 storage units are often used to store household items while moving or storing vehicles, including cars and smaller RVs/boats. Monthly storage prices typically cost $198 for a 10x20 unit and $275 for a 10x30 unit. Compare large storage units by size, price, and use.
10x20 Storage Unit
How big is a 10x20 storage unit? The 10x20 offers 200 square feet of floor space and 1,600 cubic feet of total storage capacity. They are comparable in size to a standard one-car garage.
How much can a 10x20 storage unit hold? Capable of storing the contents of a 3-4 bedroom home, a 10x20 can store items like living room furniture, multiple sets of bedroom furniture, appliances, many moving boxes, and an average-sized automobile, including sedans.
10x25 Storage Unit
How big is a 10x25 storage unit? Comparable in size to a large one-car garage with 250 square feet and 2,000 square feet of storage space, the 10x25 storage unit is one of the largest units offered at Extra Space Storage.
How much can a 10x25 storage unit hold? With enough space to fit the contents of a 3-5 bedroom home, some of the items that can fit in a 10x25 include furniture, appliances, boxes, and a vehicle, including a large pickup truck, van, or small boat.
10x30 Storage Unit
How big is a 10x30 storage unit? One of our largest storage units available, the 10x30, comparable in size to a one-and-a-half-car garage, offers 300 square feet of floor space and 2,400 cubic feet of total storage space.
How much can a 10x30 storage unit hold? These storage units can hold the contents of a five-bedroom house or larger. A 10x30 unit is suitable for storing the contents of a large home, including furniture, appliances, and boxes, as well as a large truck, car, or small boat.
Tips for Choosing & Organizing Your Storage Unit
Whether you're renting a unit for the first time or looking to make the most of your space, these tips will help you choose the right storage unit size and keep everything organized once you're moved in.
Choosing Your Storage Unit
Make a quick list of the items you plan to store, including furniture, appliances, and bulky or awkwardly shaped items.
Estimate how many boxes you’ll place in your unit.
Think about key considerations like storage unit length, climate control needs, and how often you’ll access your items.
Plan for accessibility/pathways so you can easily reach frequently used belongings.
Organizing Your Storage Unit
Use sturdy moving boxes or heavy-duty plastic containers of uniform size.
Group boxes by fragility or weight, with heavier boxes on the bottom and fragile items on top.
Stack boxes no more than four high. You can also place boxes on top of sturdy furniture.
Place items you know you’ll need to access toward the front of your storage unit.
Helpful Videos
WHAT SIZE DO YOU NEED?
Determining the right storage unit size is one of the more challenging aspects of renting a storage unit. We’ve compiled a list of all the sizes we offer and what types of items they have capacity to hold.
WHAT SIZE STORAGE UNIT IS NEEDED FOR A CAR?
A 10’x20’ drive-up storage unit should fit most cars, trucks, and SUVs. Compact cars may fit in a 10’x15’ unit, while longer vehicles need at least a 10’x30’ unit. It’s best to use a vehicle storage size estimator tool online before you book.
UNIT SIZE GUIDE
Extra Space Storage offers a wide range of self storage unit sizes. Each location is a little different. Some facilities have units as small as a 2x2 locker, while others have large-scale warehouse storage for commercial needs.
Storage Unit Sizes
Not sure which storage unit size you need? This guide breaks down what fits best in each unit so you can choose the right size with confidence.
Storage Unit Size Frequently Asked Questions
What is the smallest storage unit for rent?
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?
Can I store a vehicle in a storage unit?
Yes. Cars and motorcycles are often stored in storage units. If they fit, some boats and RVs can be stored inside of storage units as well. Certain locations may even offer large storage units specifically designed with taller ceilings to accommodate vehicles like boats and RVs. Learn more in our vehicle storage guide.
TIPS & RESOURCES
Storage 101
Check out our personal self-storage guide for help finding a storage solution that fits any need.
Vehicle Storage
Whether you need to store a car, motorcycle, boat, or RV, Extra Space Storage offers versatile, secure self storage for vehicles of all sizes.
Do you need climate-controlled storage?
Learn about the benefits of using temperature-controlled storage to keep your sensitive items protected from extreme heat or cold.
What size moving truck do I need?
When moving to a new home, getting the right moving truck is critical for saving time and money. Use our moving truck size calculator to help make the right decision for your moving truck rental!
How to pack and organize your storage unit
Learn how to maximize space in your storage unit, plus tips for keeping it organized.
What you need to reserve a storage unit
Renting a storage unit is easy! Double check what you need before you reserve your unit.
How to choose a storage unit
Find out which factors you need to consider when choosing a storage unit.
Moving cost calculator
How much does it cost to move? Get your moving cost estimate in minutes.
Do you need insurance for a storage unit?
Insurance is required when storing your items in a storage unit. Find out more about insurance policies and storing your belongings.
Storage for college students
Whether you’re looking for more space inside of your dorm, getting ready to study abroad, or needing summer storage, Extra Space Storage can help!
Business inventory and supplies storage
If your business has overstocked inventory or supplies, self storage can be an excellent solution to help you get space back at your commercial office or retail location.
Find cheap storage units near you
Extra Space offers clean, secure, and inexpensive storage units of all sizes. Find the best deal on storage units at a facility near you!
