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How to calculate DIM weight

If DIM weight is greater than the actual weight, DIM weight is used instead of the package’s actual weight. If the package volume is less than 1 cubic foot, or the package weight is less than 1lb, then we ignore DIM Weight.

DIM Weight is short for dimensional weight – it’s a billing method that uses the total volume of a package (length x width x height) to calculate shipping costs instead of using the actual weight of the package. Shipping costs are based on the higher of the two measurements: package weight or package size (DIM Weight).

For US Domestic services packages we will use a 166 divisor to calculate dimensional weight.

Updated on July 14, 2021

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