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What Fits in a 15x20 Storage Unit?
300 sq ft
A 15x20 ft storage unit — about 2400 cubic feet (8 ft ceiling)
| Floor size | 15x20 ft (300 sq ft) |
| Cubic feet (8 ft ceiling) | 2400 cu ft |
| Holds about | 4+ bedrooms / vehicle |
| Typical price | $230–$520/mo |
| Comparable to | a 1.5–2 car garage |
A large 5+ bedroom house, or a car/boat plus the contents of a full home.
💡 Stack heaviest boxes on the bottom, leave a center aisle, and keep a list of what is in the back.
📦 Moving Box Estimator
FAQ
What fits in a 15x20 storage unit?
A large 5+ bedroom house, or a car/boat plus the contents of a full home.
How much does a 15x20 storage unit cost?
Expect roughly $230–$520/mo, depending on location, demand and whether it is climate-controlled (add 20–50%).
How many boxes fit in a 15x20 unit?
With careful stacking to the ceiling, a 15x20 unit (~2400 cu ft) holds a lot — but leave a walkway if you need to reach items later.
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Box counts, truck sizes and costs are practical estimates for a typical move and will vary with your belongings, region and season.