Calculate chargeable weight
What is volumetric weight?
Volumetric weight, also called dimensional weight, converts package volume into a billing weight. It helps carriers account for cargo that takes up aircraft, truck, or warehouse space even when the shipment is physically light.
The common formula is length multiplied by width multiplied by height, divided by a carrier or service divisor. The final chargeable weight is usually the higher value between actual weight and volumetric weight.
Common divisors
| Service type | Typical divisor | How to use it |
|---|---|---|
| Air freight | 5000 | Often used for air cargo quote preparation. Confirm with the carrier. |
| Express parcel | 5000 or 6000 | Express networks may use different divisors by lane and account contract. |
| Sea freight LCL | CBM based | Less-than-container-load freight commonly uses cubic meters and minimum charges. |
How to reduce avoidable weight charges
- Measure the final packed carton, not only the product size.
- Ask suppliers to avoid oversized outer cartons when possible.
- Consolidate small cartons only when it does not increase damage risk.
- Confirm whether the carrier rounds each carton or the total shipment.
FAQ
What is volumetric weight?
Volumetric weight converts package dimensions into a billing weight. Carriers usually compare it with actual weight and charge the higher value.
How do I calculate chargeable weight?
Calculate dimensional volume, divide it by the carrier divisor, and compare the result with actual weight. The higher number is usually the chargeable weight.
Which divisor should I use?
Air freight often uses 5000, while express shipments may use 5000 or 6000. Always confirm the final divisor with the carrier, lane, or account contract.