What Size Storage Unit Do I Need?

The simple answer:

The right storage unit size depends on how much furniture, boxes, and large items you’re storing.Most people either overestimate and pay too much — or underestimate and end up upgrading.Here’s a general guide:

5x5 Unit

Comparable to a small closet.Good for:
• A few boxes
• Small furniture
• Seasonal decorations

5x10 Unit

Comparable to a walk-in closet.Good for:
• Studio apartment contents
• Mattress set
• Small sofa

10x10 Unit

Comparable to half of a one-car garage.Good for:
• 1–2 bedroom apartment
• Multiple furniture pieces
• Appliances

10x15 and Larger

Best for:
• Full home contents
• Long-term moves
• Large furniture sets

Common Mistake

People often forget about:
• Vertical stacking
• Dismantling bed frames
• Using shelvingYou can usually fit more than you think — if packed correctly.

The Real Question

Instead of guessing, ask:• How long am I storing?
• Will I need frequent access?
• Am I storing large or awkward items?The right size saves money long term.If you’re comparing overall safety and reliability,

• See our Best Storage Units Near Me guide.

If pricing is your main concern,

• See our Storage Cost Near Me guide.

If you’re searching specifically for the cheapest options,

• See our Cheap Storage Near Me guide.

If you’re deciding between specific facilities and want a deeper breakdown of size options, pricing behavior, and long-term risk, you can see how our independent storage research works here:

• All the research done for you, so you don't have to...