What is CBM? (Cubic Meter)
CBM stands for Cubic Meter — the standard unit of volume used in international shipping and logistics to calculate freight costs.
CBM Definition
CBM stands for Cubic Meter (m³). It is the most commonly used unit to measure the volume of a shipment in the freight and logistics industry. One cubic meter equals the volume of a cube with sides of 1 meter each — or 1,000 liters.
The CBM Formula
CBM = Length × Width × Height
(All dimensions in meters. If in cm, divide result by 1,000,000)
Why CBM Matters in Shipping
Container Loading
Know how many items fit in a 20ft or 40ft container.
Freight Pricing
Shipping costs are often quoted per CBM for sea freight.
Space Planning
Optimize truck and warehouse space by knowing exact volumes.
Common CBM Examples
| Item | Dimensions (cm) | CBM |
|---|---|---|
| Small Carton Box | 40 × 30 × 30 | 0.036 |
| Medium Carton Box | 60 × 40 × 40 | 0.096 |
| Standard Pallet | 120 × 100 × 150 | 1.800 |
| 20ft Container | 590 × 235 × 239 | 33.2 |
| 40ft Container | 1203 × 235 × 239 | 67.7 |
FAQ
What does CBM stand for?
CBM stands for Cubic Meter (m³). It is the standard unit of measurement for volume in international shipping and logistics.
How do you calculate CBM?
Multiply Length × Width × Height of a package. If dimensions are in centimeters, divide by 1,000,000 to get cubic meters.
Why is CBM important in shipping?
Shipping companies use CBM to determine how much space your cargo takes in a container. Freight costs are often quoted per CBM.
What is the difference between CBM and volumetric weight?
CBM measures actual volume. Volumetric weight converts volume into a weight equivalent using a divisor (e.g., 6000 for air freight). Carriers charge whichever is higher.
40 × 30 × 30 ÷ 1,000,000
= 36 liters = 1.2713 ft³