Measure the shipment the carrier will actually pick up
Measure the complete handling unit as it will be tendered: pallet, freight, packaging, wrap, straps, and any relevant projections. The product dimensions alone are not enough when the carrier is handling a loaded pallet or crate.
Length and width
Measure the greatest outside length and width. Include boxes, corner boards, straps, or other parts that extend beyond the pallet footprint. Do not measure only the wooden pallet if the load overhangs it.
Height
Measure from the floor to the highest point of the loaded handling unit, including the pallet itself. Avoid measuring only the stack of boxes above the pallet.
Weight
Use the gross weight of the complete handling unit when possible: product plus packaging and pallet. Keep individual pallet dimensions and weights separate when units differ.
Before you submit the quote request
- Record length, width, and height for each distinct handling unit.
- Use a consistent unit system and record measurements as accurately as the quote workflow requires.
- Check for overhang, leaning stacks, wrap bulges, and protrusions.
- Do not round down to make the shipment appear smaller.
- Recheck the final loaded shipment against the information entered into the quote.
Why this matters for density
For inch-and-pound inputs, cubic feet equal length × width × height ÷ 1,728. Density in pounds per cubic foot equals gross weight divided by cubic feet. Measurement errors change the calculated density, but density alone does not determine every commodity's official freight class.
A careful measurement reduces avoidable discrepancies; it cannot guarantee a particular classification or prevent every reclassification.
Important: This is preparation guidance, not an official NMFC classification, carrier tariff, live quote, or guarantee. Verify commodity-specific rules and service requirements with the quoting carrier or broker.
Try the Quick Freight Class Check or prepare a shipment in the Builder.
Sources and further verification
- National Motor Freight Traffic Association (NMFTA) — consult current classification resources and applicable NMFC item provisions.
- NMFTA ClassIT+ — authoritative commodity classification lookup; access may require an account.