Freight Density Chart
Density reference
LTL Freight Density-to-Class Chart
Find the shipment density in pounds per cubic foot, then read across to the estimated density-based freight class. This chart follows the standard 13-level density-based LTL class scale, effective July 19, 2025.
| Density, lb/cu ft | Estimated Class | Field Note |
|---|---|---|
| Less than 1 | 400 | Very low-density freight. |
| 1 to less than 2 | 300 | Low-density freight. |
| 2 to less than 4 | 250 | Bulky, lighter freight. |
| 4 to less than 6 | 175 | Common bulky LTL range. |
| 6 to less than 8 | 125 | Mid-density freight. |
| 8 to less than 10 | 100 | Common palletized range. |
| 10 to less than 12 | 92.5 | Higher density range. |
| 12 to less than 15 | 85 | Dense freight. |
| 15 to less than 22.5 | 70 | High-density freight. |
| 22.5 to less than 30 | 65 | Very dense freight. |
| 30 to less than 35 | 60 | Heavy compact freight. |
| 35 to less than 50 | 55 | Very heavy compact freight. |
| 50 or greater | 50 | Highest density-based range. |
Off-scale class note
Classes such as 77.5, 110, 200, and 500 may appear in NMFC or carrier classification contexts but are not part of this density-based chart.
Field reference only. Density-based freight class may differ from final NMFC or carrier classification when commodity, handling, stowability, liability, packaging, or carrier-specific rules apply.
Chart use
How to Use the Freight Density Chart
Use this page as a lookup reference after you already know the shipment density in pounds per cubic foot.
1. Start with Density
Use a pounds-per-cubic-foot value from your shipment records or the Freight Density Calculator.
2. Match the Chart Range
Find the row where your density is greater than or equal to the lower limit and less than the upper limit.
3. Review the Results
Use the class as a density-based planning estimate, then confirm NMFC or carrier rules when needed.
Need help finding the density first? Use the Freight Density Calculator before using the chart.
Field Example
Freight Density Chart Example
A shipment with 900 lb of total weight and 50.00 cubic feet has a density of 18.00 lb/cu ft. On the chart, 15 to less than 22.5 lb/cu ft maps to Class 70.
Chart Range Used
18.00 lb/cu ft falls in the 15 to less than 22.5 lb/cu ft row.
Example Result
Estimated density-based freight class: Class 70.
Classing Limitations
When the Chart Is Not Enough
The chart gives a density-based estimate only. Final freight class may still depend on NMFC item number, commodity, handling, stowability, liability, packaging, carrier rules, and shipment details.
Important Classing Boundary
Freight that is fragile, high-value, hard to stack, unusually shaped, hazardous, regulated, or tied to a specific NMFC item should be checked beyond a density chart before booking or billing.
Density Estimate Only
The chart can support planning, but it does not replace commodity classification, carrier rules, or official NMFC review.
Source scope
Methodology and Source Scope
This page provides a density-based freight class reference for planning estimates using the standard 13-level density-based LTL class scale effective July 19, 2025. It does not reproduce the NMFC, provide official item classification, quote carrier pricing, interpret tariffs, or replace carrier, broker, NMFC, or ClassIT+ review.
Common questions
Freight Density Chart FAQ
What is a freight density chart?
A freight density chart maps shipment density in pounds per cubic foot to a density-based estimated freight class.
How do I use a freight density chart?
Calculate the shipment's pounds per cubic foot, find the matching density range on the chart, and read the estimated density-based freight class.
Does the freight density chart give the official NMFC class?
No. The chart provides a density-based estimate only. Final freight class may depend on NMFC item number, commodity, handling, stowability, liability, packaging, carrier rules, and shipment details.
What should I do if my density is close to a class boundary?
Recheck the packaged dimensions and weight carefully. Small measurement, pallet, wrap, or overhang differences can move a shipment into a different density range.