20ft vs 40ft Shipping Container: Which Size Should You Buy?
The 20ft vs 40ft shipping container decision looks like a size question but is really three questions: what fits on your site, what's your cost per cubic foot, and will the need grow. Here's the comparison with real numbers.
The core numbers
| 20ft | 40ft | |
|---|---|---|
| Floor space | ~150 sq ft | ~305 sq ft |
| Capacity | ~1,170 cu ft | ~2,390 cu ft |
| Delivery approach | ~60 ft straight | ~100 ft straight |
| Typical price gap | — | usually only 20-40% more |
That last row is the story: a 40 delivers twice the volume for well under twice the money, so cost per cubic foot strongly favors the 40ft, see live pricing on our 20ft and 40ft pages.
When the 20ft wins anyway
Tight sites, the delivery truck for a 40 needs about 100 feet of straight approach; driveways and infill lots often can't. Weight-dense cargo, a 20 carries nearly the same max payload in half the space. And mobility, a 20 relocates with smaller equipment.
The two-20s-vs-one-40 question
Two 20-footers cost more than one 40 but buy flexibility: two locations, two locked inventories, sell one later. Operations that may split across sites usually take the two 20s; single-yard bulk storage takes the 40 every time. Height-hungry uses should read our high cube explainer before deciding, and exact specs live in the dimensions guide.
Whichever way you land: published prices, free delivery to all 50 states, and a full refund if a unit arrives damaged, defective or not as described.
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