Freight Class Calculator
Freight class calculator finds the NFMC freight class of your cargo.

What Freight Class Calculator does
The Freight Class Calculator on Omni Calculator determines the National Freight Classification (NFMC) number for a shipment based on its weight and dimensions. Users enter the length, width, height, and mass of their cargo to receive the appropriate freight class, which standardizes how shippers and carriers evaluate handling costs. The tool provides the classification number and allows sharing the result via a link. It is designed to remove guesswork from shipping quotes by applying the American NFMC standard to the specific cargo details entered.
How to use the Omni Calculator Freight Class Calculator
- 1
Enter the length of one pallet in your shipment
- 2
Enter the width of the pallet
- 3
Enter the height of the pallet
- 4
Enter the total mass of the pallet
- 5
View the calculated freight class and share the result if needed
Best for
Logistics professionals, shipping managers, and small business owners who need to quickly determine accurate freight class numbers for cargo to prepare quotes and evaluate handling requirements.
Limitations
- Relies on the American NFMC standard, which may not apply to all international shipping regulations
- Requires input of pallet dimensions and weight; cannot classify loose or irregularly shaped items without palletization
- Provides an estimate based on density; final classification should be confirmed with the carrier
Freight Class Calculator FAQ
- How is freight class determined using this calculator?
- The calculator determines freight class by inputting the pallet's length, width, height, and mass. It calculates the density and applies the American NFMC standard to assign the appropriate classification number, which correlates to the cargo's density and handling requirements.
- Can this tool convert weight or volume units?
- The calculator includes a weight converter for unit conversions, and users can also use the site's volume calculator to determine pallet volume before entering dimensions.
- What does a higher freight class mean for shipping costs?
- Typically, higher freight classes are charged less per pound because they represent denser cargo. The calculator helps users understand how making cargo more compact can potentially lower shipping costs.
- Is the freight class result final for shipping quotes?
- The result is an estimate based on industry standards; final freight class for shipping quotes should be confirmed directly with the carrier, as they may have additional requirements or adjustments.
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