Question 1

What is freight class?

Accepted Answer

Freight class is a standardized NMFC classification system that categorizes commodities for LTL shipping. There are 18 classes from 50 (lowest cost) to 500 (highest cost), based on density, stowability, handling, and liability.

Question 2

How do you calculate freight class?

Accepted Answer

Calculate density by dividing weight in pounds by volume in cubic feet. Volume equals length times width times height in inches, divided by 1728. Higher density results in a lower freight class number and cheaper shipping rates.

Question 3

What is NMFC code?

Accepted Answer

NMFC stands for National Motor Freight Classification. It assigns specific freight classes to commodities based on density, stowability, handling, and liability factors. The system is used by all major LTL carriers in the United States.

Question 4

Which carriers use freight class?

Accepted Answer

All major LTL carriers use the NMFC freight classification system, including FedEx Freight, Old Dominion (ODFL), Saia, Estes, R+L Carriers, XPO, and UPS Freight.

Freight Class Calculator