Dimensional Weight

Also known as the volumetric weight, the dimensional weight is the amount of
space a package occupies in relation to its actual weight. It is a pricing technique
for commercial freight transport that uses an estimated weight calculated from the
longest point of the height, width, and length of the package.

This pricing technique is used to calculate the shipping prices based on the weight
of your packages. You can even save costs by eliminating oversized packaging to
reduce the weight of your package and thus decrease the price.