Old Dominion Freight Class Calculator
Estimate the NMFC freight class Old Dominion Freight Line (ODFL) would apply, from your shipment's density. Enter weight and dimensions below.
Old Dominion Freight Line (ODFL) and freight class
ODFL rates on standard NMFC classes. This density figure is the starting point; the official class can shift for commodities with a fixed NMFC item.
Old Dominion Freight Line (ODFL) — confirm the official NMFC item for your commodity before booking.
Density-to-class table
| Density (lb/ft³) | Freight class |
|---|---|
| 50 and over | 50 |
| 35 – 50 | 55 |
| 30 – 35 | 60 |
| 22.5 – 30 | 65 |
| 15 – 22.5 | 70 |
| 13.5 – 15 | 77.5 |
| 12 – 13.5 | 85 |
| 10.5 – 12 | 92.5 |
| 9 – 10.5 | 100 |
| 8 – 9 | 110 |
| 7 – 8 | 125 |
| 6 – 7 | 150 |
| 5 – 6 | 175 |
| 4 – 5 | 200 |
| 3 – 4 | 250 |
| 2 – 3 | 300 |
| 1 – 2 | 400 |
| under 1 | 500 |
Other carriers
Frequently asked questions
Does Old Dominion use the standard freight class scale?
Yes. Old Dominion Freight Line (ODFL) rates density-based commodities on the same 18-step NMFC class scale shown here. The difference between carriers is service and pricing, not the density maths.
How do I find my Old Dominion freight class?
Enter the shipment's weight and outer dimensions to get its density, then read the class. For commodities with a fixed NMFC item, confirm the official class with Old Dominion Freight Line (ODFL).