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Online Storage Calculator

What size storage unit should you rent? Experts at Defender Self Storage can help answer that question. Our storage unit size guide below will clarify the different storage unit sizes we offer. Then check out our temperature-controlled storage unit options at our three locations in Lorain (OH), Penn Hills (PA), and Pittsburgh (PA) to find the perfect self storage space for you nearby.


What Storage Unit Size Do You Need? Use Our Easy Calculator!


Storage Unit Size Guide

Small Storage Units

Small storage units actually have a lot of space if you pack them efficiently. If you are packing up a dorm or clearing out storage space in your home, do not be afraid to consider a 5×5 storage unit (the smallest of the industry standard sizes). These can fit up to a full size mattress and a few other large pieces of furniture. After those are in the unit, pack your boxes and bins around your larger items. Other popular items for small storage units include:

  • Small dressers and desks
  • Seasonal clothing
  • Christmas trees
  • Shed tools

Lorain (OH) small storage units (temperature control): 5×5, 5×6, 5×7, 5×10, 7×10, 5×15 

Penn Hills (PA) small storage units (temperature control): 5×5, 9×4, 5×10, 5×13, 7×10

Pittsburgh (PA) small storage units (temperature control):3×5, 5×5, 5×8, 5×10, 5×15

Medium Storage Units

You are not always able to bring with you all the contents of your old place to your new place right away in a move. Medium storage units can hold about 2-3 bedrooms’ worth of items, perfect for an apartment or condo renter. While most smaller storage units cannot fit larger mattresses, medium storage units have no restrictions for them and can fit multiple king sizes if need be. They can also store:

  • Water sports vehicles (jet skis, kayaks, canoes, etc.)
  • Small trailers
  • Washer/dryer
  • Bicycles
  • Motorcycles

Lorain (OH) medium storage units (temperature control): 8×10, 8×12, 10×10, 10×13, 10×15

Penn Hills (PA) medium storage units (temperature control): 8×10, 10×10, 10×15

Pittsburgh (PA) medium storage units (temperature control): 8×10, 5×13, 10×10, 5×20, 8×15, 10×13, 10×15, 

Large Storage Units

Moving from a home bigger than an apartment or condo will require a large storage unit. These can hold five or six rooms’ contents. You will have room for everything in your house and then some extra space for accessing your items. Our large storage units can hold:

  • Living room furniture
  • Dining room furniture
  • Patio furniture
  • Shed equipment (lawnmowers, snowblowers)
  • Car, truck, small boat, trailer

Lorain (OH) large storage units (temperature control): 10×20, 15×16, 10×25, 10×30, 15×24

Penn Hills (PA) large storage units (temperature control): 10×20

Pittsburgh (PA) large storage units (temperature control): 10×20, 15×15, 10×25, 10×30

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Defender Self Storage’s Unit Size Calculator

Our storage unit size calculator can help you determine what size unit would be best for your needs. Using the form below, tell us what you need to store, and our calculator will provide an estimate in cubic feet as well as the storage size you’ll need. We’ll calculate the size and recommend a unit based on the space needed.

Source: Self Storage Association