The manager was very helpful as she walked me through my storage options. She found me a great deal on a 10x15 climate-controlled unit close to the elevator so that the movers would have easy access. She answered all of my questions. I would highly recommend working with Extra Space Storage — their customer service is always on point!
How to Choose Between a 10x15 vs 10x20 Storage Unit
While 10x15 and 10x20 storage units can both hold a variety of items, the difference in size greatly impacts what you can store. A 10x15 storage unit gives you 150 square feet and 1,200 cubic feet of space, while a 10x20 unit has 200 square feet and 1,600 cubic feet of storage space. If you aren't sure which option is right for your needs, explore the differences below to learn more about dimensions, average prices, and examples of what can be stored in each unit size.
- Comparable in size to a large bedroom or a standard one-car garage
- Fits furniture, appliances, dining room sets, and more
- Great during a move, renovation, or for business inventory
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What’s the Difference Between a 10x15 & 10x20 Storage Unit?
While both sizes serve as a medium-sized storage solution, a 10x20 provides 50 additional square feet of storage space than a 10x15. A 10x15 storage unit is comparable in size to a large bedroom, while a 10x20 is closer to a one-car garage. Learn more about the difference between the two sizes and what you can store in them below.

10x15
Dimensions: 10 feet wide by 15 feet long
Square Footage: 150 square feet
Cubic Feet (with an 8-foot ceiling): 1,200 cubic feet
Average Price: $161
Size Comparison: A large bedroom
What a 10x15 Can Hold: Several mattress sets, dressers, a washer and dryer, a refrigerator, two standard ovens, multiple couches, grills, and a substantial number of large moving boxes
Common Uses: Storage during a move or renovation, small vehicles like motorcycles and ATVs, lawn equipment, business storage

10x20
Dimensions: 10 feet wide by 20 feet long
Square Footage: 200 square feet
Cubic Feet (with an 8-foot ceiling): 1,600 cubic feet
Average Price: $206
Size Comparison: A standard one-car garage
What a 10x20 Can Hold: 3-4 bedrooms worth of furniture and appliances, 100s of medium moving boxes, office furniture, multiple couches, and a refrigerator
Common Uses: Self storage while moving or doing home renovations, larger business inventory or heavy equipment, vehicle storage
What Typically Fits in a 10x15 vs 10x20 Storage Unit?
Though many of the same items can fit in both a 10x15 and 10x20 storage unit, a 10x20 storage unit will be able to hold additional and larger items. Here are some examples of items that can fit in each.

Item compatibility is based on standard dimensions and is intended as a general guide only. Whether your items fit will depend on their actual measurements, quantity, and how they are arranged within the unit. We recommend measuring your items before selecting a unit size.
Which Size Offers Better Value?
As a medium-sized storage solution, a 10x15 unit is more affordable but comes with smaller dimensions and can hold fewer items than a large 10x20 unit. A 10x15 storage unit typically costs around $161 per month, while a 10x20 storage unit typically costs around $206 per month. With a difference of around $40 per month, or just over $480 per year, it may be worth upgrading if you need the extra storage space or want flexibility over time.
For the small additional cost, you get:
50 more square feet
400 more cubic feet
More room to navigate the unit while storing or accessing items
Space for a larger vehicle than a motorcycle or an ATV
The upgrade is worth it if you:
Want to store a compact car
Are storing items from a larger living space than a two-bedroom home
Have more than 150 boxes to store
Want better organizational options
The monthly pricing referenced above reflects national averages and is subject to change based on location, availability, and current promotions. For accurate, real-time pricing, please navigate to the facility page or call your nearest Extra Space Storage location.
Compare 10x15 & 10x20 Prices Near You
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Which Is Best for You: A 10x15 or 10x20 Storage Unit?
Still unsure of which size you need? Learn more about the benefits and drawbacks of renting a 10x15 or 10x20 storage unit.
Moving Box Storage (Short-Term)
10x15: If you have a gap while moving between homes, a 10x15 unit can hold 110-150 medium moving boxes for short-term storage.
10x20: It makes sense to upgrade if you're storing 200-250 boxes, you have bulky items that don't neatly fit in boxes, or you're moving from a larger home.

Vehicle Storage
10x15: A 10x15 unit is a smart option if you need to store a small vehicle like a motorcycle or ATV, whether you're just clearing up space at home or needing seasonal protection.
10x20: If you need to store a car, you'll need to upgrade to a 10x20. A larger unit also gives you more space to navigate around a smaller vehicle while accessing the unit.

2-Bedroom to 3-4 Bedroom Home Move
10x15: Can fit the contents of a two-bedroom home, including most furniture, appliances, and moving boxes, keeping everything in one place during your transition.
10x20: Renting a 10x20 unit is a better fit for a 3-4 bedroom move, fitting more boxes, oversized furniture, and household belongings than a 10x15, as well as overflow from garages or storage areas.
Renovations
10x15: A 10x15 unit can hold furniture, decor, carpet rolls and tiles, or tools during during a multi-room home renovation
10x20: Upgrade to a 10x20 if you are renovating an entire floor or home, need extra space for tools and materials, or have lots of large furniture to protect.
How to Choose the Right Storage Unit Size
Tips for Choosing:
Do Inventory: Create a list of everything you plan to store, from furniture and appliances to boxes and smaller items.
Measure Before You Choose: Take note of the dimensions of larger items like couches, beds, appliances, and standard box sizes to make sure they will fit in the unit.
Map Out Your Layout: Use painter's tape to help you visualize your unit's layout and save time when moving in.
Account for Vertical Storage: Most storage units have 8-foot ceilings, so stacking boxes and items can help maximize vertical space. Select facilities may offer units with 10-foot ceilings.
Leave Room For Access: Leave walkways in your unit so you can easily access items.
Size Up if Needed: If you're unsure if your unit will be big enough, it's often worth it to size up rather than realizing too late that your unit is too small.
Additional Considerations:
Accessibility: If you'll need frequent access to your belongings, consider a larger unit that allows for wider pathways and easier organization.
Climate control: For temperature-sensitive items like electronics, wood furniture, or artwork, climate-controlled storage can help prevent damage from swinging temperatures.
Drive-Up Access: If you're storing heavy furniture or bulky equipment, drive-up units make loading and unloading much easier.
Ceiling Height: Most storage units are 8 feet tall, which may be too short for some vehicles. Some units may have 10-foot ceilings that would better suit larger vehicles.
Find Your Storage Unit Size
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Hear What Customers Have to Say
- Gabriela M.,Dallas, TXGoogle
- Kendra A.,Houston, TX
The facility manager at the Jones Rd. location is everything! I signed up to rent a 10x20 storage online and she returned my call in less than 15 minutes. She walked me through the rest of the rental agreement. I’ve never had so much fun or laughter completing a contract. Before I knew it, I had and access code in my email inbox and we were good to go. Whole process took about 15 minutes or less. Whoever reads these…she is top notch!
Google - Julio A.,Atlanta, GA
I was so impressed with the customer service given to me by the staff. I was looking for a 10x15 climate control and the pricing was right in my budget!!! I definitely recommend this location. Extra clean and extra safe!
Google - Natasha F.,Pinellas Park, FL
The whole staff in general was very friendly! I recently just got a 10 x 10 earlier in the month but then decided that I need a bigger space. The facility manager was extremely helpful By providing me 10x20 Literally across my current unit which made everything very easy and I only had to pay the difference.
Google - Lucy C.,Dallas, TX
The staff was very helpful and addressed all of our concerns we had about renting a 10x15 storage unit.
Google - Niama C.,El Paso, TX
Been searching for a 10x20 storage for the pass week and if you know anything about huge storage areas you know they are expensive but thankfully I was able to find this store and the facility manager got right to helping me and answering any questions I had.
Google - Patrick R.,Santa Fe, NM
When We started we thought a 10X10 would be sufficient. Boy were we wrong. Turned out we ended up with a 10X20 and the staff really did an amazing job with the transfer and accommodated us quickly.
Google
Reviews are authentic and provided by Extra Space Storage customers. Associated images are not of the actual persons providing the testimonial
Why Rent with Extra Space Storage?
Reserve online, with options for same-day move-ins
Month-to-month lease flexibility
Easily switch unit sizes if your needs change
Ready to reserve your storage unit with Extra Space Storage?
Frequently Asked Questions About 10x15 & 10x20 Storage Units
What is Extra Space Storage's policy on switching unit sizes?
How many rooms will a 10x15 storage unit hold vs a 10x20?
Is a 10x15 or 10x20 unit better for vehicle storage?
How many boxes fit inside a 10x15 vs 10x20 storage unit?
Other Storage Unit Size Information
Need more information on the storage unit sizes offered at Extra Space Storage? Learn more about how different unit sizes compare by visiting the unit size pages below.