
20-foot container
A 20-foot container is a standard-sized steel box used to transport goods by ship, rail or lorry.
6.096 mLengthBuilt around us
What are they, and what does the difference actually look like?
Two things. One honest scale.
Meet the pair

A 20-foot container is a standard-sized steel box used to transport goods by ship, rail or lorry.
6.096 mLength
A 40-foot container is a large steel box commonly used for shipping goods internationally by sea, rail or road.
12.19 mLength40-foot container has about 2 times the length of 20-foot container.
20 ft nominal external length. 33 m³ internal capacity and 2.2 tonne empty mass are rounded example values; actual equipment varies.
Defined examples — our methodology
The marked length is calibrated. Unmeasured illustration details are representative.
40 ft nominal external length. 67 m³ capacity and 3.8 tonne tare are illustrative.
Defined examples — our methodology
The marked length is calibrated. Unmeasured illustration details are representative.
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Measurement details
The visual compares length with length. The records below preserve each value’s basis and caveats.
Length · example
20 ft nominal external length. 33 m³ internal capacity and 2.2 tonne empty mass are rounded example values; actual equipment varies.
Length · example
40 ft nominal external length. 67 m³ capacity and 3.8 tonne tare are illustrative.
The labelled spans and stored measurements determine the scale; unmeasured illustration details do not.
There’s always another scale
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