Calculate Less-Than-Truckload (LTL) freight density, trailer linear feet utilization, and stackable height allocations.
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The LTL Density Calculator helps logistics managers, warehouse operators, and e-commerce shippers optimize Less-Than-Truckload (LTL) freight profiles. It calculates pounds per cubic foot (PCF), trailer floor space footprint in linear feet, and evaluates stackable versus non-stackable pallet height penalties.
\text{Linear Feet} = \left\lceil\frac{Q}{\text{Pallets per Row}}\right\rceil \times \frac{L}{12} \quad ; \quad \text{PCF} = \frac{W_{\text{total}}}{\text{Volume}_{\text{cu ft}}}On standard 53ft dry vans (102" exterior width, 98" interior), two 48x40 pallets fit side by side per row.
Scenario: Shipping 6 stackable 48x40x50 inch pallets weighing 600 lbs each.
Rows of pallets: 6 / 2 = 3 rows.
Linear feet of trailer space: 3 rows × (48 / 12) = 12 linear feet.
Total Volume: 6 × 55.56 cu ft = 333.3 cu ft. Total Weight: 3,600 lbs.
Density: 3,600 / 333.3 = 10.80 PCF (Class 100).
LTL is the transportation of relatively small freight (typically 1 to 6 pallets weighing between 150 and 10,000 lbs) that does not require a full 53-foot semi-trailer, sharing trailer space with other shippers.
When a pallet cannot have another pallet placed on top of it, the carrier cannot utilize the upper vertical space in the trailer. Carriers price this "lost air" by adjusting the billing height to the full ceiling.
Carriers consider freight with a density of 10+ PCF to be desirable. Freight under 6 PCF is considered "balloon freight" and often triggers minimum cubic capacity surcharges.
Most carrier rules tariffs specify that if a shipment exceeds a certain length (often 12 to 14 linear feet) and has low density, it will be billed at an artificial minimum weight (e.g. 500–1,000 lbs per linear foot).
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