Quick Unit Conversion Math Financial Fitness & Health Conversion Other

Freight Class Calculator FullScreen

Determine the appropriate freight class for your shipment using our online calculator. By inputting key parameters such as the type of goods, dimensions, weight, and density, you can calculate the freight class that corresponds to your shipment.

Freight Class &Density Calculator



How to Calculate Freight Class

In the United States, cargo is assigned a freight class according to the NMFC.

To determine the freight class for a given package, you need to measure the volume and weight of the shipment. These dimensions can be used to compute the density from the freight class chart provided below.

To calculate the volume of the shipment, multiply the width by the length and height. If your measurements are in feet, you would be able to compute the cubic footage for the package:

Volume = Length * Width * Height

If you have the measurements in inches, simply divide them by 1728 to convert the volume into cubic feet.

Once you have the cubic footage, divide the weight (in pounds) by the volume (cubic feet), and this will enable you to determine the density:

Density = Weight / Volume

For instance, let's say we have a shipment with dimensions of 48″ x 40″ x 28″ and a weight of 200 pounds.

Volume = (48 * 40 * 28) / 1728

= 53760 in³ / 1728

= 31.111 ft³

Density = 200 / 31.111

= 6.429 lb/ft³

As such, the density of the pallet would be 6.429 pounds per cubic foot and the freight class would be 150.

Freight Class Factors

Freight class is predominantly determined by density; i.e., the amount of space that the item will take up and its weight. However, three additional characteristics can influence the freight class of a shipment.

  1. Stowability: If an item is difficult to store, is very heavy, or contains hazardous material or substances, it will be allocated a higher freight class.
  2. Handling: If the item requires special handling, it may be allocated a higher class.
  3. Liability: If the item contains perishable goods or can easily be damaged, it may be allocated a higher freight class.

What is Freight Class Factors

A Freight Class Calculator is a tool used in the shipping and logistics industry to determine the appropriate freight class for a particular shipment. The freight class is a standardized categorization system that assigns a numerical code to goods based on their characteristics, such as density, stowability, handling, and liability. It is used by carriers to determine shipping rates and charges.

Here's how a typical Freight Class Calculator works:

  1. Commodity Details: You input information about the shipment, including the type of goods, dimensions, weight, and any special handling requirements. This helps determine the appropriate freight class.

  2. Classification Guidelines: The calculator applies classification guidelines provided by the National Motor Freight Traffic Association (NMFTA), which oversees the freight classification system. These guidelines include density calculations, value per pound, and other specific criteria based on the nature of the goods.

  3. Calculation: Using the provided commodity details and classification guidelines, the Freight Class Calculator determines the appropriate freight class for the shipment. The freight classes range from 50 to 500, with lower numbers representing higher density and easier handling, and higher numbers indicating lower density and more complex handling requirements.

  4. Displaying the Result: The calculator displays the determined freight class, which is used by carriers to calculate shipping rates. It may also provide additional information related to the class, such as any specific packaging or labeling requirements.

The Freight Class Calculator helps shippers and carriers accurately assign the appropriate freight class to shipments, ensuring fair and consistent pricing. It simplifies the process of determining the correct classification, saves time, and helps avoid potential disputes or billing discrepancies.

It's important to note that the calculator provides an estimate and that the final classification determination may be subject to review by carriers or adjustments based on their specific guidelines. Additionally, certain items may have specific rules or exceptions that need to be considered.

Using a Freight Class Calculator can help you understand the freight class of your shipment and provide you with valuable information for pricing and logistics planning. It's recommended to consult with a freight expert or carrier to validate the accuracy of the calculated freight class and obtain precise shipping rates.

Freight Class Factors Example

Certainly! Here's an example of a Freight Class Calculator that helps determine the freight class for a particular shipment based on its characteristics:

To calculate the freight class, we need to consider various factors such as density, value, handling, and stowability. Each factor is assigned a numeric indicator, and the sum of these indicators determines the freight class.

Let's assume we have the following shipment characteristics for an item:

Weight: 500 pounds Dimensions: 4 feet x 3 feet x 2 feet Value: $1,000 Handling: Fragile (indicator = 7) Stowability: Stackable (indicator = 2)

Step 1: Calculate Density Density is calculated by dividing the weight of the shipment by the volume (length x width x height):

Density = Weight / (Length x Width x Height) Density = 500 / (4 x 3 x 2) Density = 500 / 24 Density = 20.83 pounds per cubic foot

Step 2: Determine Indicators Based on the density, value, handling, and stowability, we assign indicators as follows:

  • Density: 20.83 pounds per cubic foot falls within the range of 15-22.5 (indicator = 4)
  • Value: $1,000 falls within the range of $1-$9 per pound (indicator = 6)

Step 3: Calculate Freight Class Freight Class = Sum of Indicators Freight Class = 4 (Density) + 6 (Value) + 7 (Handling) + 2 (Stowability) Freight Class = 19

Therefore, the freight class for this shipment would be 19. The higher the freight class, the more expensive the shipping costs will be. It's important to note that this is just an example, and actual freight class calculations may involve additional factors and different indicator ranges depending on the specific classification system used by the shipping company.