To find the dimensional weight, multiply the length, width, and height of the package and divide the result by 194 and round up to the next whole number.
This is the dimensional weight in lbs.
If it is greater than the actual weight of the package, use this weight to determine the shipping price. If the dimensional weight exceeds 70 lbs, the price will be at the 70 lbs rate.
The USPS Services that use Dimensional weight are:
Global Express Guaranteed