Freight Class Calculator

What it does

Calculate your freight class from dimensions and weight using the current NMFC 13-sub density scale (effective July 19, 2025). Full freight class chart 50–500, NMFC code explainer, and reclassification fee guide. Free, no login.

Enter your pallet dimensions and weight — get your shipment density and estimated NMFC freight class on the current 13-sub density scale that took effect July 19, 2025. Plus the full class chart, NMFC code explainer, and what actually happens when a carrier reclassifies you. Measure the finished handling unit — pallet, crate, or carton — at its longest, widest, and tallest points, including the pallet itself, overhang, and packaging. Carriers measure the same way, with laser dimensioners. So close: 0.63 pcf more density puts you at class 92.5 . Shrinking the cube — shorter pallet, tighter stacking, no overhang — often gets you there. Density-based estimate. Commodity-specific NMFC listings,…from 3plguys.com

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