Volumetric Weight Calculator
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.
Free, no sign-up Runs in your browser
How to use the volumetric weight calculator
- 01
Dimensions
Length, width and height of the packed box, in cm or inches.
- 02
Weights
Actual weight and your courier's divisor.
- 03
Result
Volume, volumetric weight and chargeable weight.
Good to know
- Couriers may round dimensions and weights up (for example to the next 0.5 kg). Check your courier's rate card.
- Calculations run in your browser.
Frequently asked questions
Which divisor should I use?
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.
Why is the chargeable weight higher than my scale?
Large, light parcels are charged by size.
How can I reduce it?
Use the smallest box that protects the product.