Volumetric Weight Formula:
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Definition: Volumetric weight (also called dimensional weight) is a pricing technique used by FedEx and other carriers that calculates shipping costs based on package volume rather than actual weight.
Purpose: It ensures carriers are fairly compensated for lightweight but bulky packages that take up significant space in their vehicles.
The calculator uses the standard FedEx UK formula:
Where:
Explanation: The package dimensions are multiplied together and divided by 5000 (the volumetric divisor for FedEx UK) to get the volumetric weight.
Details: FedEx charges based on whichever is greater - the actual weight or volumetric weight. Accurate calculation helps estimate shipping costs and optimize packaging.
Tips: Measure your package at its longest, widest, and tallest points in centimeters. Round up to the nearest whole centimeter for accurate FedEx calculations.
Q1: Why is the divisor 5000 for FedEx UK?
A: 5000 cm³/kg is the standard volumetric divisor used by FedEx in the UK market. Other regions may use different divisors.
Q2: How do I measure irregularly shaped packages?
A: Use the smallest rectangular box that your item would fit into (length × width × height of that box).
Q3: What's the difference between actual and volumetric weight?
A: Actual weight is what the package weighs on a scale. Volumetric weight is calculated based on size to account for space it occupies.
Q4: When would volumetric weight apply?
A: When the calculated volumetric weight is greater than the actual weight of the package.
Q5: Does this calculator work for other carriers?
A: No, this uses FedEx UK's specific divisor. Other carriers like DHL or UPS may use different divisors (often 4000 or 5000 depending on service).