How to find the dim weight factor for UPS, FedEx, USPS and DHL -- and how to calculate the dim weight (or dimensional weight) for a specific package Outbound shipping - the service of taking a finished, single-order package and transporting it to a customer's home or business - is one of the largest overhead costs that e-commerce brands have. Figuring out how to minimize those costs is critical to making sure each e-commerce order is not a money-losing proposition. One of the