Billable weight is used to calculate the shipping rate. For domestic services, the billable weight is the greater value of the dimensional weight compared to the actual weight.
Determine the Actual Weight
The actual weight is the package weight rounded up to the next whole pound.
Use a scale to determine the weight of the package. Round any fraction of a pound to the next whole pound for UPS Express® Envelopes (letters) over eight ounces and all other packages.
Determine Dimensional Weight
Dimensional weight reflects package density, which is the amount of the space a package occupies in relation to the actual weight. Dimensional weight may apply to all UPS domestic and international package services.
To determine dimensional weight, first measure the package dimensions in inches. For each dimension, measure at the longest point, rounding each measurement to the nearest whole number.
EXAMPLE: 1.00 to 1.49 will be considered 1, and 1.50 to 1.99 will be considered 2.
Multiply the package length by the width and by the height. The result is the cubic size in inches.
For Domestic Shipments:
Divide the cubic size in inches by 166 to determine dimensional weight in pounds. Increase any fraction to the next whole pound.