What Size Self Storage Unit Do I Need?

Choosing the right size storage unit can be confusing. And what happens if you do the research and pick a unit, only to discover a closet full of things you forgot to account for? Find answers below to the most commonly asked questions about making sure you have the right sized storage unit for your self storage needs.

Size

HOW DO I KNOW WHICH SIZE UNIT TO PICK?

Use our Self Storage Calculator for advice on which unit to pick. This will give you an idea of how much space you need based on what you have to store. You can also call the onsite manager if you’re still not sure. Our team can even give you tips on how to pack a unit and make the most of your square footage and your budget. 

CAN I CHANGE SIZES LATER?

Yes, you can upsize or downsize as needed, per availability. Contact your store manager to change units, as you may need to wait for that size to become available, or the manager may have the size you need available at a nearby StorageMart location. Your facility manager can help you plan your move and make it as stress free as possible.

CAN I GET HELP CHOOSING A SIZE? 

Yes, you can use our Self Storage Calculator to get a recommendation based on what you have to store. You can also call the facility manager for friendly advice from a storage pro. It can be hard to imagine how much space you’ll need to pack away your things, which is why our storage calculator uses helpful visuals to make it easier.

HOW SHOULD I PACK MY STORAGE UNIT?

How to Pack a Storage Unit is our helpful guide to make the most of your space. We all know packing and moving things can be a challenge, which is why we put together this helpful guide to make it easier. At StorageMart, we know a thing or two about making the most of a space, so take a moment to review our guide, and feel free to reach out to a real person with our 24/7 customer care team or your call the local manager during business hours.

HOW BIG IS A CLOSET UNIT? 

4' x 4' x 4', 8’ x 4’ x 5’, and 5’ x 10’ x 4’ are standard sizes for closet units. 

HOW BIG IS A SMALL STORAGE UNIT? 

25 to 50 square feet is typical for small storage units. 

HOW BIG IS A MEDIUM STORAGE UNIT? 

81 to 150 square feet is typical for medium storage units. 

HOW BIG IS A LARGE STORAGE UNIT? 

151 to 300 square feet is typical for large storage units. 

HOW BIG IS AN EXTRA-LARGE STORAGE UNIT? 

301 square feet and up are typical for extra large storage units.

WHAT FITS IN A 10X10 STORAGE UNIT? 

The contents of a small 1 bedroom home or apartment may fit in this unit.  
  • Appliances
  • Table & chairs
  • Bedroom set
  • Sports & outdoor equipment
  • Living room furniture
  • Filing cabinets
  • Bicycles, garden equipment, and seasonal decor
Check out How much fits in a 10X10 storage unit for more info.

WHAT FITS IN A 10X15 STORAGE UNIT? 

The contents of a small 2-3 bedroom home or apartment may fit in this unit.  
  • King-size bed set
  • Sofa & chairs
  • Dining room set
  • Piano
  • Appliances
  • 14' - 16' truck loads
Check out How much fits in a 10X15 storage unit for more info.

WHAT FITS IN A 10X20 STORAGE UNIT? 

The contents of a 2 bedroom home typically fit this unit. 
  • Washer/dryer set
  • Multiple bedroom sets
  • King or queen size beds
  • Dining room sets
  • Couch & loveseat
  • Large appliances
  • Large outdoor equipment
  • One car or truck 
Check out How much fits in a 10X20 storage unit for more info. 

WHAT FITS IN A 20X20 STORAGE UNIT? 

The contents of a 2-3 bedroom home typically fit in this unit. 
  • One car or truck + a room of furniture
  • Appliances
  • Multiple bedroom sets
  • Large outdoor equipment
  • Multiple sets of office furniture
  • Couch, loveseat, and chairs
Check out How much fits in a 20X20 storage unit for more info. 
Find storage near me