---
title: "Volume charge"
description: "A charge for carriage of goods based on their volume (aircargo)."
url: "https://oceancargo.co.uk/shipping-terms/volume-charge"
date: "2026-06-25T14:37:02+00:00"
language: "en-GB"
---

![Ocean Cargo](https://oceancargo.co.uk/images/GenPics/OCs-Customs-Brokerage.webp)

 # Understanding Volume Charge in Air Freight: A Comprehensive Guide

## What is Volume Charge in Air Freight?

In the intricate world of global logistics, understanding how shipping costs are calculated is paramount for businesses looking to manage their supply chains efficiently. One crucial concept, particularly in air freight, is the **Volume Charge**. Simply put, a Volume Charge is a fee for the carriage of goods based on their volumetric weight rather than their actual gross weight.

This method of calculation is essential because aircraft have finite space and weight capacities. While a heavy item might take up little room, a light but bulky item can consume significant space without adding much to the aircraft's overall weight. To ensure fair pricing and optimal use of cargo space, airlines and freight forwarders like Ocean Cargo use a system that accounts for both.

The Volume Charge, also known as volumetric weight or dimensional weight, ensures that shippers are charged equitably for the space their cargo occupies. It prevents situations where extremely light, large packages would be disproportionately cheap to ship, making it uneconomical for carriers.

## The Calculation: How Volumetric Weight is Determined

Calculating volumetric weight is a standardised process, though the exact divisor can vary slightly between carriers and regions. The fundamental principle remains the same: convert the cargo's dimensions into an equivalent weight.

### The Standard Formula

The most common formula for calculating volumetric weight is:

`Volumetric Weight (kg) = (Length (cm) x Width (cm) x Height (cm)) / Divisor`

The divisor is a key factor:

- **Air Freight Standard:** For most international air freight, the standard divisor is **6000** (for dimensions in centimetres).
- **Express/Courier Services:** Some express or courier services might use a divisor of 5000 or even 4000, which results in a higher volumetric weight and thus a higher charge.

**Example Calculation:**

Imagine you have a carton with the following dimensions:

- Length: 120 cm
- Width: 80 cm
- Height: 100 cm
- Actual Gross Weight: 50 kg

Using the standard air freight divisor of 6000:

`Volumetric Weight = (120 x 80 x 100) / 6000`

`Volumetric Weight = 960,000 / 6000`

`Volumetric Weight = 160 kg`

In this scenario, even though the actual weight of your carton is only 50 kg, the volumetric weight is 160 kg. The airline or freight forwarder will charge you based on the higher of the two weights, which in this case is 160 kg. This higher weight is known as the "chargeable weight."

Ocean Cargo's expert team can help you accurately calculate these figures, ensuring transparency and no surprises when you ship via [air freight](https://oceancargo.co.uk/services/air-freight/).

## Why is Volume Charge Important for Your Business?

Understanding Volume Charge is not just a technicality; it has significant implications for your shipping strategy and overall costs. Ignoring it can lead to unexpected expenses and inefficient logistics.

### Cost Management

By knowing how volumetric weight is calculated, you can:

- **Optimise Packaging:** Design packaging that minimises wasted space. Even a few centimetres saved on each dimension can significantly reduce the volumetric weight, especially for large consignments.
- **Compare Quotes Accurately:** When receiving quotes from different freight forwarders, ensure they are all using the same basis for calculation (actual vs. volumetric weight) to make a true comparison.
- **Budget Effectively:** Avoid unexpected charges by factoring in potential volumetric weight from the outset, allowing for more accurate budgeting for your [air freight services](https://oceancargo.co.uk/services/air-freight/).

### Supply Chain Efficiency

Efficient use of space translates directly into more efficient supply chains:

- **Reduced Transit Times:** Optimised cargo means less handling and potentially faster processing at terminals.
- **Environmental Impact:** More efficient packing can lead to fewer shipments needed, reducing the carbon footprint of your logistics operations.

Ocean Cargo works closely with clients to identify opportunities for packaging optimisation, helping to reduce both costs and environmental impact for shipments to destinations like the [USA](https://oceancargo.co.uk/countries/usa/air-freight-usa) or [Canada](https://oceancargo.co.uk/countries/canada/air-freight-canada).

## Volume Charge vs. Actual Weight: The Chargeable Weight

The concept of "chargeable weight" is central to understanding air freight costs. It is always the greater of the actual gross weight and the volumetric weight. This ensures that the carrier is compensated fairly for either the physical weight they are lifting or the space their aircraft is occupying.

### When Volumetric Weight Dominates

Volumetric weight typically dominates when shipping light, bulky items. Examples include:

- Insulation materials
- Plastic products (e.g., empty containers)
- Clothing (especially if loosely packed)
- Furniture components
- [Automotive](https://oceancargo.co.uk/industries/automotive-logistics "Automotive") parts (e.g., bumpers, dashboards)

For these types of goods, even if the actual weight is low, the large dimensions will result in a higher volumetric weight, which will be used for billing.

### When Actual Weight Dominates

Conversely, actual weight will be the chargeable weight for dense, heavy items that take up relatively little space. Examples include:

- Machinery parts
- Metals
- Liquids
- Electronics

Ocean Cargo's expertise in [project cargo](https://oceancargo.co.uk/services/project-cargo/) often involves handling both dense and voluminous items, requiring meticulous calculation and planning.

## Tips for Minimising Volume Charge

As a business, you can take proactive steps to reduce the impact of Volume Charge on your air freight costs:

1. **Compressible Goods:** For items that can be compressed (e.g., textiles, foam), use vacuum packing or compression techniques to reduce their overall volume.
2. **Disassemble Products:** If possible, ship products in a disassembled state. Flat-packing items can drastically reduce their dimensions.
3. **Custom Packaging:** Invest in custom-sized boxes or crates that perfectly fit your products, eliminating empty space. Avoid using oversized standard boxes.
4. **Consolidate Shipments:** Work with your freight forwarder to consolidate multiple smaller shipments into one larger, more efficiently packed consignment. This is particularly effective for [sea freight](https://oceancargo.co.uk/services/sea-freight/) as well, where [LCL (Less than Container Load)](https://oceancargo.co.uk/services/sea-freight/lcl-less-than-container-load/) options are available.
5. **Understand Incoterms:** Be aware of the Incoterms used in your contracts, as they define who is responsible for freight costs and, therefore, who bears the impact of Volume Charge.
6. **Partner with an Expert:** Engage with an experienced freight forwarder like Ocean Cargo. Our team can advise on the most cost-effective packing methods and shipping routes, whether you're sending [excavators to the UAE](https://oceancargo.co.uk/countries/uae/excavators-diggers-uae) or [wind turbine components to Australia](https://oceancargo.co.uk/countries/australia/wind-turbine-components-blades-nacelles-tower-sections-australia).

#### What is the difference between actual weight and volumetric weight?

Actual weight is the physical weight of your cargo as measured on a scale. Volumetric weight (or dimensional weight) is a calculated weight based on the dimensions of your package, reflecting the space it occupies. The higher of these two weights is used to determine the shipping cost, known as the chargeable weight.

#### Why do airlines use volumetric weight?

Airlines use volumetric weight to ensure they are compensated fairly for the space taken up by cargo. Aircraft have limited cargo hold space, and light, bulky items can fill this space quickly without contributing much to the aircraft's overall weight capacity. This system optimises cargo loading and pricing.

#### Does Volume Charge apply to sea freight as well?

While the concept of space utilisation is critical in sea freight, the term "Volume Charge" is primarily associated with air freight. In sea freight, costs are typically based on the actual weight or cubic metre (CBM) for [LCL (Less than Container Load)](https://oceancargo.co.uk/services/sea-freight/lcl-less-than-container-load/) shipments, or a flat rate for [FCL (Full Container Load)](https://oceancargo.co.uk/services/sea-freight/fcl-full-container-load/). However, efficient packing to maximise container space is always beneficial.

#### Can Ocean Cargo help me calculate my volumetric weight?

Absolutely. The team at Ocean Cargo are experts in all aspects of freight forwarding. Provide us with your cargo dimensions and actual weight, and we will accurately calculate the volumetric weight and provide you with a transparent quote, ensuring you understand all charges involved in your [air freight](https://oceancargo.co.uk/services/air-freight/) shipment.

### Ready to simplify your global logistics?

Get advice and a quote for your next shipment. Contact the Ocean Cargo team to start shipping.

[Freight Quote](https://oceancargo.co.uk/contact-us)

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