Unit conversion errors can propagate through CBM, dimensional-weight, density and freight-cost calculations. Keep a small set of trusted conversion factors available when checking work manually.
Volume
| 1 m³ | 35.3147 ft³ |
|---|---|
| 1 m³ | 1,000 L |
| 1 ft³ | 0.0283168 m³ |
| 1 in³ | 16.3871 cm³ |
Weight
| 1 kg | 2.20462 lb |
|---|---|
| 1 lb | 0.453592 kg |
| 1 metric tonne | 1,000 kg |
For interactive conversions, use the CBM to Cubic Feet Converter or Cubic Feet to CBM Converter.
Source & review
Reference provenance
- Primary source
- U.S. National Institute of Standards and Technology (NIST) — SI conversion factors
- Primary source link
- Open source
- Last reviewed
- September 28, 2026
Operational standards, tariffs and equipment can change. CargoToolsHub maps each table or method to the cited review basis where possible and still recommends checking the exact carrier, operator or standard that applies to your shipment.