Couriers charge for whichever is higher: the actual weight or the space the parcel takes up. Volumetric weight = length × width × height ÷ divisor. The divisor depends on your courier and service, so you can pick a common value or enter your own.
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Length, width and height of the packed box, in cm or inches.
Actual weight and your courier's divisor.
Volume, volumetric weight and chargeable weight.
5000 (cm/kg) is common for express couriers, and 4000 or 6000 for others. For inches and pounds, 139 or 166 are common. Your rate card is the authority.
Large, light parcels are charged by size.
Use the smallest box that protects the product.
Check your courier's rate card — it varies by courier and service.
Many couriers bill in 0.5 kg steps. Leave empty for no rounding.
Enter the box dimensions.