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Understanding Air Freight Costs: Volume Weight vs Actual Weight

Mastering Air Freight Calculations: A Guide to Understanding Volumetric vs Actual Weight Costs to Save on Your Shipping Expenses

Ian Kaneshiro

Omri Katz

January 12, 2025

How to Calculate and Optimize Your Air Shipping Expenses

When shipping by air freight, many businesses are surprised to discover that their lightweight but bulky packages cost more than expected. Understanding how airlines calculate shipping costs between volume weight and actual weight can help you better plan your shipping budget and avoid unexpected expenses.

Understanding Air Freight Weight Calculations

Air freight carriers use two different methods to calculate shipping weight: actual weight and volumetric weight (also called dimensional weight). The carrier will always charge based on whichever is higher – a concept known as "chargeable weight."

Actual weight is straightforward – it's simply how much your shipment weighs on a scale, including both the product and packaging materials. However, volumetric weight is where things get interesting, especially for businesses shipping large but lightweight items.

How Volumetric Weight Works

Volumetric weight reflects the density of a package by converting its volume into a theoretical weight. This system prevents lightweight but bulky packages from taking up valuable cargo space without appropriate compensation.

The basic formula for calculating volumetric weight is:

Length (cm) x Width (cm) x Height (cm) / Conversion Factor

Most major carriers like DHL, FedEx, and UPS use a conversion factor of 5,000, though this can vary between carriers and routes.

Calculating Your Shipment Costs

Let's look at a practical example:

Consider shipping a box of promotional materials that measures:

  • Length: 50 cm

  • Width: 40 cm

  • Height: 30 cm

  • Actual Weight: 5 kg

The volumetric weight calculation would be: 50 x 40 x 30 / 5,000 = 12 kg

In this case, even though your package actually weighs 5 kg, you would be charged for 12 kg because the volumetric weight is higher.

Cost Optimization Strategies

To minimize your air freight costs, consider these practical strategies:

  1. Right-size your packaging

  • Use boxes that closely fit your products

  • Eliminate unnecessary void space

  • Consider custom packaging for regular shipments

  1. Consolidate shipments

  • Combine multiple small shipments into one larger shipment

  • Schedule regular shipping days to better organize consolidation

  1. Optimize packaging materials

  • Use lightweight but protective materials

  • Remove unnecessary packaging layers

  • Consider vacuum-sealing when appropriate

Real-World Examples and Impact

Consider these scenarios:

Scenario 1: A fashion retailer shipping 100 light summer dresses

  • Actual weight: 15 kg

  • Volumetric weight: 45 kg Impact: The retailer pays for 45 kg due to the bulky nature of clothing

Scenario 2: A electronics manufacturer shipping smartphones

  • Actual weight: 45 kg

  • Volumetric weight: 25 kg Impact: The manufacturer pays for 45 kg based on actual weight

Making the Right Choice for Your Business

Understanding how volume weight affects your shipping costs is crucial for making informed decisions about your logistics strategy. Here are some key considerations:

  1. Regular analysis of shipping patterns

  2. Evaluation of packaging methods

  3. Consideration of alternative shipping methods for bulky items

  4. Partnership with experienced freight forwarders who can provide optimization advice

Your trusted freight forwarding partner, can help you navigate these complexities and find the most cost-effective shipping solutions for your business. Expertise in air freight logistics ensures that you'll never pay more than necessary for your shipments.

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Try Your Next Shipment With Cubic - It's Free

It takes a minute, costs nothing, and can save you time, money, and headaches.

Try Your Next Shipment With Cubic - It's Free

It takes a minute, costs nothing, and can save you time, money, and headaches.

Try Your Next Shipment With Cubic - It's Free

It takes a minute, costs nothing, and can save you time, money, and headaches.

Try Your Next Shipment With Cubic - It's Free

It takes a minute, costs nothing, and can save you time, money, and headaches.

Professional, transparent, and simple - it's the freight forwarding solution you were looking for.

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Professional, transparent, and simple - it's the freight forwarding solution you were looking for.

Subscribe to Our Newsletter!

Stay Informed with The Latest Supply Chain Insights - Subscribe to Our Newsletter!

Copyright © 2024 Cubic SCT Inc.
All Rights Reserved

Professional, transparent, and simple - it's the freight forwarding solution you were looking for.

Subscribe to Our Newsletter!

Stay Informed with The Latest Supply Chain Insights - Subscribe to Our Newsletter!

Copyright © 2024 Cubic SCT Inc.
All Rights Reserved

Professional, transparent, and simple - it's the freight forwarding solution you were looking for.

Subscribe to Our Newsletter!

Stay Informed with The Latest Supply Chain Insights - Subscribe to Our Newsletter!

Copyright © 2024 Cubic SCT Inc.
All Rights Reserved