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Mensional weight, also called “dim” weight, is used because the space a package takes on an aircraft may cost more than the package’s actual weight. You should calculate

Dimensional Weight
on every shipment, compare that to its actual weight; the greater of the two will determine your shipping cost. International and domestic dimensional weights are calculated differently using the formulas below.

For Domestic Shipments:

L x W x H (cubic inches) / 194 = Dimensional Weight.
Example: 30″ x 24″ x 22″ = 15,840 / 194 = 82 lbs.
(round up to the nearest pound)
The Dimweight is given in pounds. If you have a Javascript compatible browser, you can use our quick calculator below.

For International Shipments:

L x W x H (cubic inches) / 166 = Dimensional Weight.
Example: 30″ x 24″ x 22″ = 15,840 / 166 = 95 lbs.
(round down to the nearest pound)