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Estimate the freight class for an LTL shipment from weight and dimensions. The calculator converts inches to cubic feet, calculates pounds per cubic foot, and maps the result to a typical density-based freight class.
Density = Weight (lbs) / Cubic Feet. Cubic Feet = (L×W×H in inches) / 1728. Higher density = lower class number = cheaper shipping.
Result: 40 cu ft, Density: 5 pcf, Class: 150
A standardized classification system (NMFC) used for less-than-truckload (LTL) shipping pricing.
Primarily by density (lbs/cu ft), but also by handling, stowability, and liability characteristics.
Class 50 is for heavy dense items over 50 pcf, while Class 150 covers lighter bulkier freight like furniture and boxes shipped via LTL.
Pack items more densely, use smaller boxes, reduce void fill material, and combine multiple pieces into single shipments when possible.
Density is a major factor and a useful estimate, but NMFC classification can also consider handling, stowability, and liability. Always verify important shipments with the carrier.
Yes. Measure the final packaged shipment, including pallet height and any overhang, because carriers charge for the actual space used in the trailer.