The United States Postal Service (USPS) uses a formula called volumetric weight, also known as dimensional weight, to determine the shipping cost for packages. This formula takes into account the size of the package as well as its weight. The volumetric weight is used when it exceeds the actual weight of the package.
The volumetric weight formula used by the USPS is as follows:
Volumetric weight (in pounds) = (length x width x height) / (139)
This formula calculates the volumetric weight in pounds by multiplying the length, width, and height of the package in inches, and then dividing the result by 139.
It’s worth noting that this calculation is used for domestic services like Priority Mail, Priority Mail Express and package services, and It’s not applicable for services like Media Mail, Library Mail, and Bound Printed Matter.
It’s also important to note that package dimensions, measurement standards and volumetric formula might differ among other carrier services.
Overall, a volumetric weight calculator can be a useful tool for understanding the cost of shipping packages based on their size and density. It can help you make informed decisions about how to package and ship your items in order to optimize costs and ensure timely delivery.
Calculator Online – https://volumetricweight.in/