Calculation of Container House Usage

The calculation of container house usage mainly falls into two categories: calculation by 'set' and calculation by 'floor area'. The specific method needs to be determined based on the type of container and site conditions.

Calculation by 'Set'

When calculating container house usage by 'set', it is necessary to clarify the composition standard of each set. For example, a complete residential container house may include one 20-foot dry container (as a bedroom) and one 40-foot dry container (as a living room, kitchen, and other public areas). In this case, the floor area of one set is the sum of the two, i.e., 14.8 square meters (20-foot container) + 29.7 square meters (40-foot container) = 44.5 square meters. If only the number of containers is counted, simply accumulate the number of sets without considering size differences.

Calculation by 'Floor Area'

When calculating by floor area, it is necessary to determine the floor area of a single container based on its external dimensions and then calculate the total usage based on the layout.

• Floor area of a single container:
  • Standard 20-foot dry container: The external dimensions are usually 6.058 meters in length and 2.438 meters in width, with a floor area of 6.058 meters × 2.438 meters ≈ 14.8 square meters.
  • Standard 40-foot dry container: The external dimensions are usually 12.192 meters in length and 2.438 meters in width, with a floor area of 12.192 meters × 2.438 meters ≈ 29.7 square meters.
• Calculation of total floor area: If only one type of container is used on the site, the total floor area is the floor area of a single container multiplied by the quantity. For example, the total floor area of 10 20-foot containers is 14.8 square meters × 10 = 148 square meters. If different types of containers are used in combination, calculate separately and then add them up. For example, the total floor area of 5 20-foot containers and 3 40-foot containers is (14.8 square meters × 5) + (29.7 square meters × 3) = 74 + 89.1 = 163.1 square meters.

Precautions

1. Size differences: The sizes of containers produced by different manufacturers may vary slightly, and actual measurement data should be used as the basis.
2. Layout impact: If containers are stacked or staggered, the actual floor area may be smaller than the theoretical value, but structural stability and usage specifications need to be considered.
3. Additional space: If space needs to be reserved for aisles, greening, or equipment installation areas, additional area should be added on the basis of the total floor area.

By using the above methods, an appropriate calculation method can be selected according to specific needs to ensure accurate and reasonable statistics on container house usage.