Dimensional Weight Calculator
The Dimensional Weight Calculator (also called DIM weight or volumetric weight) determines the billable weight for parcel shipments. Carriers charge based on whichever is greater: the actual weight or the dimensional weight. This tool supports UPS, FedEx, USPS, and DHL divisors.
Dimensional Weight Calculator
Find billable shipping weight for parcel carriers
Examples
Large Light Box
A box measuring 24×24×24 inches weighing 5 lbs. DIM weight = 99 lbs (24×24×24÷139). Billable weight = 99 lbs.
Frequently Asked Questions
What is dimensional weight?
Dimensional weight (DIM weight) is a pricing technique used by carriers that accounts for package volume relative to actual weight. It prevents carriers from losing money on large, lightweight packages.
How do you calculate dimensional weight?
Dimensional weight = (Length × Width × Height in inches) ÷ DIM divisor. UPS and FedEx use a divisor of 139 for domestic shipments. USPS uses 166.
What is the DIM divisor for UPS and FedEx?
UPS and FedEx both use a dimensional divisor of 139 for domestic US shipments. International shipments may use 139 or 166 depending on the service.