After a 6-month delay, the US Postal Service (USPS) is implementing changes to how Dimensional (DIM) Weight is calculated. The change will impact all low-weight packages that are larger than one cubic foot. Like any rate change, savvy mailers will take steps to be prepared for the June 23, 2019 implementation. Unlike other rate changes, shippers need to conduct additional analysis to be ready.
Steps to take that will minimize the impact of the new rate structure: