Storage Unit Size Guide

Find the right storage unit near you

Discover Which Storage Unit Size Is Best for You

With the growth of the self storage industry in recent years, many different storage unit sizes are now available for customers, with small storage units for those who just want to put some seasonal items aside and large storage units for anyone in the process of moving house. Also, people who are decluttering may only need small storage units whereas anybody wishing to put a boat or an RV away for the winter will be looking at large storage units.

Are you in the position of asking yourself “What size storage unit do I need?” If so, this storage unit size guide will help you to both target the ideal unit size among the storage unit sizes available and to budget accordingly. While the sizes advertised relate to floor space, another common question you might be asking is “how tall are storage units?” The answer is that they are usually 8′ high, so multiply this by the square footage to get the cubic volume of the unit.

Small Self Storage Units

The storage units at the lower end of the range that is available tend to have floor spaces of 5′ x 5′ or 5′ x 10′. However, units as small as 4′ x 4′ and even 2′ x 2′ can also sometimes be found, especially in facilities in urban areas. A roll-up metal door is usually the means of access.

Medium Self Storage Units

The storage unit sizes most often classed as 'medium' are the 10′ x 10′ and 10′ x 15′ types. Sometimes there are also 5′ x 15′ units available, which provide extra depth and are useful for storing especially long items. Medium-sized units are the most commonly used ones when moving house.

Large Self Storage Units

Storage units that are classified as 'large' can come in a variety of different sizes. The most common one is the 10′ x 20′—this is the lock-up garage size that is seen everywhere. But other sizes are available, some much larger, such as 20′ x 30′ and 20′ x 50′, and sometimes these are for specialist purposes such as for storing boats, RVs or even helicopters.

Before signing a self storage contract, calculate carefully how much space you will need. Remember, boxes of papers stack easily, but fragile things don’t, and while a single bed could be stood vertically, other pieces of furniture can’t. There are many guides to help you pack your things sensibly and efficiently, meaning that you can maybe choose a smaller unit size than you thought, saving you money. And declutter before you decide—maybe there are things you’ll never need, so you can rent a smaller size. Taking all these tips into account, you should be able to find just the right size storage unit that fits everything you need to store and yet doesn’t break the bank!
Storage Unit Size Guide Infographic
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