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DIM Weight Calculator

Calculate the Dimensional Weight of a Package

Dimensional weight (DIM weight) is the weight of a package based on its size rather than its actual weight. UPS, FedEx and USPS (Priority Mail) all use DIM weight to determine the billable weight for shipping a package, so it's important to know to make sure you're getting the best rate. This is especially relevant for shipping larger, lightweight packages.

Use the calculator below to find the DIM weight of a package for UPS, FedEx and USPS shipments.

DIM Weight Calculator
Width (in.)
Length (in.)
Height (in.)
DIM Factor*
DIM Weight
*DIM Factors based on carriers 2022 rates.

*Compare the DIM weight to the actual package weight. Use the larger of the two numbers to determine the shipping cost. Always round up.

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