There are many intermodal container sizes, and this does not just refer to the ones listed below. Many other dimensions are used by manufacturers, either to carry extra large items or special cargo.

### 20 Ft Container Specifications

Its external dimensions are 20′ 0 in x 8′ 0 in x 8′ 6 in (L x W x H). That is equal to 6.096 m x 2.438 m x 2.438 m. The interior dimensions are 18′ 10 5⁄16 x 7′ 8 19⁄32 in x 7′ 9 57⁄64 in / 5.758 m x 2.352 m x 2.385 m (L x W x H).

The door aperture is 7′ 8 ? in wide and 7′ 5 ¾ in high. The volume is 1,169 ft3 and the maximum gross mass is 66,139 lb. The empty weight of this intermodal container size is 4,850 lb. The net load is 61,289 lb.

### 40′ Container Specifications

The exterior dimensions are 40′ 0 in x 8′ 0 in x 8′ 6 in or 12.192 m x 2.438 m x 2.591 m (L x W x H). The internal sizes are 39′ 5 45⁄64 in x 7′ 8 19⁄32 in x 7′ 9 57⁄64 in or 12.032 m x 2.352 m x 2.385 m (L x W x H). The door opening is 7′ 8 ? in / 2.343 m wide and 7′ 5 ¾ in / 2.280 m high.

The volume is 2,385 ft3 / 67.5 m3. The maximum gross mass is 66,139 lb / 30,400 kg. The net load of this intermodal container size is 57,759 lb / 26,600 kg. The empty weight is 8,380 lb / 3,800 kg.

### 40′ High Cube Container Specifications

The external dimensions are 40′ 0 in / 12.190 m x 8′ 0 in / 2.438 m x 9′ 6 in / 2.896 m (L x W x H). Internally, it is 39′ 4 in long, 7′ 7 in wide and 8′ 9 in high (12.000 m x 2.311 m x 2.650 m). The door aperture is 8′ 5 in / 2.560 m high and 8′ 5 in / 2.560 m wide. The volume is 2,660 ft3 or 75.3 m3.

The maximum gross mass is 68,008 lb or 30,848 kg. These types of intermodal container sizes have an 8,598 lb empty weight and net load of 58,598 lb or 26,580 kg.

### 45′ High-Cube Container Specifications

The external dimensions are 45′ 0 in x 8′ 0 in x 9′ 6 in (13.716 m x 2.438 m x 2.896 m; L x W x H). The inner dimensions are 44′ 4 in x 7′ 8 19⁄32 in x 8′ 9 15⁄16 in (L x W x H).

In metric terms this is 13.556 m x 2.352 m x 2.698 m. The door is 7′ 8 ? in wide and 8′ 5 49⁄64 in high. This is equal to 2.343 m x 2.585 m. The volume is 3,040 ft3 or 86.1 m3. The maximum gross mass is 66,139 lb or 30,400 kg. The net load is 55,559 lb or 25,600 kg.

The intermodal container sizes above are regarded as standards. Except for those times when special deliveries have to be made, these sizes will work out fine for cargos and goods.

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