Chargeable Weight Formula:
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Air freight chargeable weight is the greater of the actual weight (gross weight) and volumetric weight of a shipment. Airlines use this calculation to ensure they charge appropriately for both heavy and lightweight but bulky shipments.
The calculator uses the standard air freight formula:
Where:
Explanation: The formula compares the actual physical weight with the volumetric weight (calculated from dimensions) and selects the higher value as the chargeable weight.
Details: Accurate chargeable weight calculation is essential for proper freight costing, avoiding undercharges or overcharges, and ensuring fair pricing for both shippers and carriers.
Tips: Enter actual weight in kilograms and dimensions in centimeters. All values must be positive numbers. The calculator will display both volumetric weight and the final chargeable weight.
Q1: Why is 6000 used as the divisor?
A: 6000 cm³/kg is the standard volumetric conversion factor for air freight, representing the space one kilogram of cargo typically occupies.
Q2: What if my shipment has multiple packages?
A: Calculate chargeable weight for each package separately, then sum all chargeable weights for the total shipment charge.
Q3: Do all airlines use the same divisor?
A: While 6000 is standard, some carriers may use 5000 or other divisors. Always check with your specific carrier.
Q4: How do I measure irregularly shaped items?
A: Use the smallest rectangular box that can contain the item (length × width × height of the bounding box).
Q5: What's the difference between actual and volumetric weight?
A: Actual weight is the physical mass, while volumetric weight represents the space the shipment occupies relative to its weight.