Please Note That as Items Are Flown, Items Are Subject To Volumisation:-
Length x Width x Height = Volume
Make sure that the volume is converted into cubic metres (m3) or cbm. If you are measuring the dimensions in inches, then you need to convert the volume from cubic inches to cbm (1 cbm = 61,024 cubic inches). And lastly, you need to do the air cubic conversion factor.
Here is an example of calculating the air freight volumetric weights if you measure the volume in cubic centimetres: