Freight Class Calculator
Lumber LTL Shipping Guide

Freight Class for Lumber

Lumber freight class commonly ranges from Class 50 to Class 125 in the examples below.

Dense hardwood bundle

Class 50

Dimensional lumber pack

Class 60

Light long boards

Class 125

These are density-based examples. Your final estimate depends on the finished packaged dimensions, total weight, stackability, fragility, value, and handling requirements for the lumber shipment.

Lumber density calculator

Calculate Your Lumber Freight Class

Example bundled lumber shipment loaded. Adjust the dimensions or weight to calculate your lumber freight class.

Your result

Cubic feet

96.00

Density

27.08

lb/cu ft

Estimated freight class

65

Example density-based estimate. Update any field to calculate your shipment.

Calculate your actual shipment

Calculate Lumber Freight Class

The calculator returns cubic feet, pounds per cubic foot, and a density-based freight class estimate for your lumber shipment.

Freight Class Calculator

Freight classes shown on this page are density-based estimates for shipment planning. Actual classification may also depend on value, handling requirements, liability, stowability, dimensions, and other commodity-specific factors. Confirm the final freight class with your carrier, broker, or official NMFC resources before shipping.

NMFC® is a registered trademark of the National Motor Freight Traffic Association, Inc. FreightClassCalculator.tools is an independent calculator and is not affiliated with, endorsed by, or licensed by NMFTA.