Freight class
Tools that answer: what class will this LTL shipment take, and what drives it? Density does most of the work since the 2025 scale change; the NMFC item for the commodity has the final say.
Freight class calculator
Density to class on the 13-tier scale, with the distance to the next band and a BOL-ready printout.
The pillar tool
Freight density calculator
Pounds per cubic foot as the headline number, with the class it points to.
Density first
Freight class chart
All 13 density tiers in one table, plus the item-assigned classes the chart does not carry.
Dataset page
Linear foot calculator
Linear feet and weight per foot, with an honest check against the common tariff triggers.
Tariff-dependent