Freight Classes
The NMFC system uses 18 freight classes ranging from Class 50 (lowest cost) to Class 500 (highest cost). Classes are determined by density, stowability, handling, and liability.
Total Classes
18
Density Range
<1 to 50+ lbs/ft³
Cost Range
Lowest to Highest
Classification By
Density
All Freight Classes
Class 50
50+ lbs/ft³ · Lowest Cost
Class 55
35-50 lbs/ft³ · Very Low Cost
Class 60
30-35 lbs/ft³ · Low Cost
Class 65
22.5-30 lbs/ft³ · Low-Moderate
Class 70
15-22.5 lbs/ft³ · Moderate Cost
Class 77.5
13.5-15 lbs/ft³ · Moderate Cost
Class 85
12-13.5 lbs/ft³ · Moderate-High
Class 92.5
10.5-12 lbs/ft³ · Moderate-High
Class 100
9-10.5 lbs/ft³ · High Cost
Class 110
8-9 lbs/ft³ · High Cost
Class 125
7-8 lbs/ft³ · High Cost
Class 150
6-7 lbs/ft³ · Very High Cost
Class 175
5-6 lbs/ft³ · Very High Cost
Class 200
4-5 lbs/ft³ · Very High Cost
Class 250
3-4 lbs/ft³ · Highest Cost
Class 300
2-3 lbs/ft³ · Highest Cost
Class 400
1-2 lbs/ft³ · Highest Cost
Class 500
<1 lbs/ft³ · Highest Cost