CBM (Cubic Meter) is a core measurement unit in foreign trade logistics, representing the volume occupied by cargo. 1 CBM equals 1 cubic meter. It is widely used in freight calculation for LCL sea freight, air freight, and land transport, and is also an important basis for booking, customs declaration, and container loading. Usage scenarios include: when quoting, charges are based on the greater of volume or weight (LCL sea freight often uses 1 CBM = 1000 kg as the conversion standard), and calculating the loadable quantity of a container. Notes: actual volume should be measured according to the maximum dimensions of the outer packaging, taking into account packaging deformation and stacking gaps; different transport modes have different conversion ratios between CBM and weight (e.g., air freight 1 CBM = 167 kg). The difference from 'weight ton' is that CBM focuses on volume, while weight ton focuses on gross weight, and freight is usually charged at the higher of the two. The difference from 'chargeable ton' is that chargeable ton is the result of choosing the greater of CBM and weight ton, while CBM only represents volume. Accurately providing CBM can avoid freight disputes and dead freight.
📝 Examples
1. This batch of goods consists of 20 boxes, each measuring 60x40x50 cm, with a total volume of 2.4 CBM. Please quote for LCL. (Note: Used to calculate LCL freight; accurate cubic meter must be provided.)
2. We are booking a 20-foot container, and the cargo CBM is 28. Please confirm whether it is overweight or over volume. (Note: Used to determine container loading capacity and avoid underloading or overloading.)
💡 Foreign Trade Tips
Foreign trade terms are the foundation of international business communication
Trade practices may vary slightly by country; pay attention when using them
When using terms in contracts, specify the applicable version (e.g., Incoterms 2020)
For unfamiliar terms, use GlobalSync's multilingual email helper to confirm with your partner