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Freight density calculator

Density = weight ÷ cubic feet — the input every density-based NMFC class table starts from.

Shipment density

LTL carriers and NMFC density-based classes use lb/ft³. Pair with the NMFC density class calculator for a class estimate.

Source

Standard freight density formula used in NMFC density-based classification: lb/ft³ = total weight ÷ total cubic feet, with cubic feet = (L×W×H in inches × pieces) / 1728. See also NMFTA density scale guidance and our NMFC class tool.

Reference tool only — not legal, medical, financial, or professional advice. Verify against the linked primary source before you rely on a result.

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