Storage Unit Size Guide

How to Choose Between a 10x20 vs 10x25 vs 10x30 Storage Unit

If you need a large storage unit, you'll typically find them in sizes 10x20, 10x25, and 10x30—each offering 200 square feet, 250 square feet, and 300 square feet respectively. If you're having trouble deciding between these options, learn about the differences below, including what they can store, average prices, and the benefits of each size.

10x20 vs 10x25 vs 10x30 Storage Size Comparison

What’s the Difference Between a 10x20, 10x25, & 10x30 Storage Unit?

Though these sizes are all considered large storage units, there are significant differences between what you can store in a 10x20, 10x25, or 10x30 storage unit. Learn more about the dimensions, prices, and more below.

10x20 vs 10x25 vs 10x30 Size Dimensions

As some of our largest storage units, these sizes offer an ample amount of square footage in a storage unit. However, they can vary in size by almost 100 square feet, so it's important to understand how much space you need before renting.

10x20 Storage Units

These units are 10 feet wide and 20 feet long, providing 200 square feet and 1,600 cubic feet of storage space.

10x25 Storage Units

These units are 10 feet wide and 25 feet long, providing 250 square feet and 2,000 cubic feet of storage space.

10x30 Storage Units

These units are 10 feet wide and 30 feet long, providing 300 square feet and 2,400 cubic feet of storage space.

What Fits in a 10x20 vs 10x25 vs 10x30 Storage Unit?

While all three storage units can hold more than our smaller storage units, there are some common items that only a 10x30 storage unit can fit. Check out these examples of what kinds of items fit in each size unit.

10x20 Storage Units:

  • Contents of a two-bedroom home

  • Compact car, sedan, and other small vehicles

  • Business inventory and equipment

  • Large quantity of boxes

10x25 Storage Units:

  • Contents of a three-bedroom home

  • Large pickup truck, van, or similarly-sized vehicle

  • Contents of a standard-sized garage

  • Business inventory and equipment

10x30 Storage Units:

  • Contents of a four-bedroom home

  • Car, truck, SUV, boat, small RV, or other vehicle

  • Business equipment, supplies, and inventory

Which unit size is best for storing the contents of my home?

The best unit size for you depends on the amount of furniture, appliances, and household items you have. Generally, we recommend a 10x20 unit for a two-bedroom home, a 10x25 unit for a three-bedroom home, and a 10x30 unit for a home with four or more bedrooms.

Which unit size is best for vehicle storage?

The best option depends on what kind of vehicle you will be storing. 10x20 storage units are great for compact cars and sedans, while 10x25 storage units can hold trucks and vans. 10x30 storage units offer the most flexibility, as they can accommodate cars, trucks, SUVs, some RVs, and more.

What’s the Price Difference Between a 10x20 vs 10x25 vs 10x30 Storage Unit?

These large storage units all vary in price, with a 10x20 being the most affordable. A 10x20 storage unit typically costs around $264 per month, a 10x25 typically costs around $283 per month, and a 10x30 typically costs around $309 per month. While a 10x30 is the most expensive option, you will have most storage space to store the items you need. Keep in mind that prices are subject to change based on your location and added storage amenities.

Compare 10x20, 10x25, & 10x30 Prices Near You

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    Which Is Best for You: A 10x20, 10x25, or 10x30 Storage Unit?

    While all three sizes can accommodate a variety of belongings, it's important to discover which one is right for your needs before renting a unit. Explore the benefits and drawbacks of each size below.

    10x20 Storage Units:

    Pros

    • A versatile option for storing home furnishings, business supplies, and more

    • More affordable than our other large units

    • Can store small vehicles like compact cars and sedans

    Cons

    • The smallest of the large storage unit options

    • Cannot hold larger vehicles

    10x25 Storage Units:

    Pros

    • More flexibility than a 10x20 storage unit

    • Our most affordable option for storing vehicles like trucks, vans, and small RVs or boats

    • Great for storing the contents of a medium-sized home

    Cons

    • More expensive than a 10x20 storage unit

    • Smaller than a 10x30 storage unit

    10x30 Storage Units:

    Pros

    • Our largest standard unit size

    • Can accommodate a wide range of storage needs

    • Great for large homes and large businesses

    Cons

    • More expensive than a 10x20 or 10x25 unit

    • More difficult to organize

    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.