Mastering Freight Class: A Guide to Density

2026-01-05

Freight class is one of the most confusing aspects of LTL shipping.

What is Freight Class?

The National Motor Freight Classification (NMFC) system groups commodities into 18 classes, ranging from 50 to 500.

Density Matters

The lower the density, the higher the class, and the higher the rate.

How to Calculate

  1. Measure dimensions (L x W x H)
  2. Weigh the pallet
  3. Calculate cubic feet

Or better yet, use our tool.

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