CBM Calculator — Free Cubic Meter & Volume Calculator

Calculate CBM (cubic meters), dimensional weight, and chargeable weight for road, air, sea, and courier shipments.

Cargo dimensions

Result

1.440
Total CBM (m³)
1.4400 m³ per unit × 1
Actual weight:500 kg
Estimated LDM:0.40 m

Chargeable weight by mode

RoadDIM: 480 kg500 kg (actual)
AirDIM: 240 kg500 kg (actual)
SeaDIM: 1440 kg1440 kg (volumetric)
CourierDIM: 288 kg500 kg (actual)

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How to Calculate CBM

CBM (Cubic Meter) is the standard measurement of volume used in international shipping. To calculate CBM:

CBM = Length (m) × Width (m) × Height (m)

For multiple identical items, multiply the CBM per unit by the quantity.

Dimensional Weight vs Actual Weight

Carriers charge based on whichever is greater: actual weight or dimensional (volumetric) weight. The DIM weight divisor varies by transport mode:

  • Road freight: ÷ 3,000 (cm) — 1 CBM = 333 kg
  • Air freight: ÷ 6,000 (cm) — 1 CBM = 167 kg
  • Sea freight: 1 CBM = 1,000 kg (1 tonne)
  • Courier/parcel: ÷ 5,000 (cm) — 1 CBM = 200 kg

CBM to LDM Conversion

To estimate loading meters from CBM: divide the CBM by the trailer cross-section area (width × cargo height). For a standard trailer (2.4m wide) with 1.5m cargo height: 1 CBM ≈ 0.28 LDM.