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Freight class 100What freight class 100 means.
Class 100 is what density-based freight weighing 8 to 10 pounds per cubic foot classifies as. It is subprovision 6 of the thirteen-subprovision density scale.
What lands here
Packaged appliances and equipment, boxed with some foam and void space around them.
That is an example, not a rule. Class 100 is not a kind of product — it is a density. The same item can be class 100 packed one way and something else packed another, which is why no honest list of “class 100 commodities” exists.
What that looks like on a pallet
A standard 48 by 40 pallet stacked to 48 inches is 53.3 cubic feet. To classify as class 100, a shipment on that pallet needs to weigh between 426 and 533 lb.
Take weight off and it climbs. Under 8 PCF the same pallet is class 125.
Add weight and it falls. Over 10 PCF it becomes class 92.5.
Which is the point: a few hundred pounds, or a few inches of stack height, moves freight between classes. Run your own numbers.
Whether this changed in July 2025
Docket 2025-1 moved a great deal of freight onto this density scale that had previously carried a fixed class. If you ship on an item number that moved, the class you have always used may not be the one a carrier applies now.
Most class charts online predate that change and still list commodities against fixed classes. What changed in Docket 2025-1.
Assembled furniture often lands here while the same furniture knocked down and flat-packed lands two or three classes lower, because the box is mostly air once it is built.
Not sure the class you ship on is still right?
Send us up to 10 of the NMFC item numbers you use. We will tell you which are current, which moved in July 2025, and which look wrong for what you actually ship.