Freight Density Formula:
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Definition: This calculator determines the freight class for UPS Less-Than-Truckload (LTL) shipments by calculating the density of your shipment.
Purpose: It helps shippers estimate freight costs by determining the proper freight class based on shipment density.
The calculator uses the formula:
Where:
Explanation: The formula converts cubic inches to cubic feet (1728 cubic inches = 1 cubic foot) and divides weight by volume to get density.
Details: Freight class (ranging from 50 to 500) affects shipping costs significantly. Lower classes (higher density) generally cost less to ship.
Tips: Measure your shipment's exact dimensions and weight. Enter all values in the specified units (pounds and inches).
Q1: What is LTL shipping?
A: Less-Than-Truckload shipping is for shipments that don't require a full truck, where your freight shares space with other shipments.
Q2: Why does density determine freight class?
A: Density indicates how much space your freight occupies relative to its weight, which affects transportation efficiency and costs.
Q3: What if my freight has special handling requirements?
A: Some items (like fragile or hazardous materials) may be assigned higher classes regardless of density.
Q4: How accurate is this calculator?
A: It provides a good estimate, but final freight class is determined by the carrier during actual shipping.
Q5: What's the difference between NMFC class and freight class?
A: NMFC (National Motor Freight Classification) provides standardized classes, while freight class is the specific class applied to your shipment.