Note: This calculator provides an estimate of freight class based on density. Always consult with a shipping professional for final classification.
Dimensions
Result
Estimated Freight Class:
--
Calculated Density:
-- lbs/ft³
What is Freight Class?
Freight class is a standardized classification system used in the shipping industry to categorize freight based on its transportability. It helps determine shipping rates and is based on:
- Density: Weight per cubic foot/meter
- Stowability: How easily it can be stored
- Handling: Special requirements for loading
- Liability: Value, fragility, and theft risk
- NMFC Codes: National Motor Freight Classification
Freight Class Reference Table
This table shows how density corresponds to freight class in the National Motor Freight Classification (NMFC) system:
| Freight Class | Density Range (lbs/ft³) | Typical Items |
|---|---|---|
| 50 | 50+ lbs/ft³ | Steel, brick, cement |
| 55 | 35-50 lbs/ft³ | Hardware, books, bricks |
| 60 | 30-35 lbs/ft³ | Car accessories, tools |
| 65 | 22.5-30 lbs/ft³ | Car parts, bottled beverages |
| 70 | 15-22.5 lbs/ft³ | Car engines, food items |
| 77.5 | 13.5-15 lbs/ft³ | Tires, bathroom fixtures |
| 85 | 12-13.5 lbs/ft³ | Crated machinery, cast iron stoves |
| 92.5 | 10.5-12 lbs/ft³ | Computers, monitors |
| 100 | 9-10.5 lbs/ft³ | Boat covers, car covers, canvas |
| 110 | 8-9 lbs/ft³ | Cabinets, framed artwork |
| 125 | 7-8 lbs/ft³ | Small household appliances |
| 150 | 6-7 lbs/ft³ | Auto sheet metal parts |
| 175 | 5-6 lbs/ft³ | Clothing, couches, plasma TVs |
| 200 | 4-5 lbs/ft³ | Sheet metal parts, aluminum table |
| 250 | 3-4 lbs/ft³ | Mattresses, box springs |
| 300 | 2-3 lbs/ft³ | Wood cabinets, tables, chairs |
| 400 | 1-2 lbs/ft³ | Ping pong tables, light fixtures |
| 500 | Less than 1 lb/ft³ | Bags of gold, ping pong balls |
Importance of Accurate Freight Class
Using the correct freight class is crucial for several reasons:
- Accurate Pricing: Wrong classification can lead to costly rebilling and adjustments.
- Efficient Handling: Proper classification ensures appropriate handling and stowage.
- Streamlined Shipping: Reduces delays caused by inspection or reclassification.
- Carrier Protection: Helps carriers properly plan for weight distribution and space utilization.
How To Use This Calculator
- Select your preferred measurement system (Imperial or Metric)
- Enter the dimensions of your freight item (length, width, height)
- Enter the total weight of the item
- Click "Calculate Freight Class" to get your estimated NMFC class
Note: While density is the primary factor in determining freight class, other factors such as liability, handling requirements, and stowability may affect the final classification. This calculator provides an estimate based solely on density.