What is dimensional weight?

The dimensional weight (also known as volumetric weight) refers to the dimensions of the package and how they are used in the calculation of the weight of a package based on size rather than the measured gross or actual weight. All international carriers charge the greater of either the actual weight or dimensional weight based on the size of the box.

Dimensional weight is calculated by multiplying the dimensions of a package and dividing by the industry-standard “DIM factor” of 139.

Dimensional weight (lbs) = Length x Width x Height (in) / 139

For example, a 5 lbs package that has large dimensions like 16 x 12 x 12, may actually be charged at a weight of 17 lbs, depending on the carriers.


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