Although our parcel delivery instant quote system automatically calculates this for you, some customers wish to know the formula for how DHL, and our other agents, calculate volumetric weight. The greater weight of the two is used to work out the price that we charge you.
Different agents use different volumetric denominators:
- DHL Express and Economy USA use 5000 as the denominator
- DHL Euro Road use 4000 as the denominator
- TNT use 4000 as the denominator
For air express services, volumetric weights are calculated using the formula below (DHL Express example):
Length x Width x Height in centimetres / 5000 = volumetric weight in kilograms
For shipments measured in inches, such as inbound shipments from the USA, the equivalent formula is:
Length x Width x Height in inches / 305 = volumetric weight in kilograms
For air express shipments, you can calculate volumetric weight using our volumetric calculator.
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