Volumetric Weight Calculator
Volumetric Weight Calculator
Shipping costs can often be a confusing aspect of logistics, especially when it comes to understanding how charges are calculated. One key concept that plays a significant role in determining shipping fees is volumetric weight. This blog will explore what volumetric weight is, why it matters, and how to calculate it for different types of deliveries.
What is volumetric weight?
Volumetric weight, also known as dimensional weight, refers to the weight of a package based on its volume rather than its actual physical weight. It is calculated using the dimensions of the package (length, width, and height) to determine how much space it occupies during transit. This measurement is crucial for shipping carriers because it helps them optimize their cargo space and pricing structures.The formula for calculating volumetric weight typically involves multiplying the length, width, and height of the package (in centimeters) and then dividing by a dimensional factor, which varies by carrier. Commonly used factors are 5000 or 4000. For example:

Why is volumetric weight charged?
Carriers charge based on volumetric weight because it allows them to account for packages that take up more space than their actual weight would suggest. For instance, a large box filled with lightweight items may occupy significant cargo space but weigh very little. If shipping costs were based solely on actual weight, carriers would lose revenue on these shipments.By using volumetric weight, carriers ensure they are compensated fairly for the space that packages occupy in their vehicles. This practice helps maintain profitability while providing a fair pricing structure for all shippers.
Calculate volumetric weight for courier delivery
- Measure the dimensions of your package in centimeters.
- Use the formula:

- Compare this value with the actual weight of your package.
- The chargeable weight will be the higher of the two values.
For example, if a package measures 100 cm x 50 cm x 50 cm and weighs 5 kg:

Since 50 kg (volumetric) is greater than 5 kg (actual), you would be charged based on 50 kg.Calculate volumetric weight for freight deliveryCalculating volumetric weight for freight delivery follows the same principles but may use different dimensional factors depending on the mode of transport (air, sea, or road).
- Air Freight: Often uses a divisor of 167 kg per cubic meter.
- Sea Freight: Typically uses a divisor of 1000 kg per cubic meter.
- Road Freight: Usually around 333 kg per cubic meter.
The formula remains similar:

Make sure to check with your freight carrier for specific factors.
Calculate total chargeable weight of a shipment
To calculate the total chargeable weight of a shipment:
- Calculate both the actual and volumetric weights.
- The chargeable weight is whichever is greater between the two.
For example:
- Actual Weight: 10 kg
- Volumetric Weight: 15 kg
The total chargeable weight would be 15 kg.
How to Save on shipping bulky items?
Shipping bulky items can be costly due to their volumetric weight. Here are some strategies to save on shipping costs:
- Optimize Packaging: Use boxes that fit your items snugly to minimize excess space.
- Compare Carriers: Different carriers have varying rates; compare them to find the best deal.
- Use Multiple Carriers: Leverage different carriers for different shipments based on their strengths.
- Negotiate Rates: If you ship regularly, consider negotiating rates with carriers for bulk shipments.
- Consolidate Shipments: Combine multiple items into one shipment when possible to reduce overall costs.
How many Volumetric kgs is 1 cubic metre?The conversion from cubic meters to volumetric kilograms varies by shipping method:
- Air Freight: 1 cubic meter = 167 kg
- Sea Freight: 1 cubic meter = 1000 kg
- Road Freight: 1 cubic meter = approximately 333 kg
Understanding these conversions can help you better estimate shipping costs based on volume.In conclusion, knowing how to calculate and understand volumetric weight can significantly impact your shipping expenses. By applying these principles and tips, you can make more informed decisions when sending packages, especially those that are bulky or irregularly shaped.
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Frequently Asked Questions
What's a dimensional factor, and how do I know which one to use for courier shipments?
The dimensional factor is a number used to calculate volumetric weight. For courier shipments, common factors are 5000 or 4000, but you should always confirm with your chosen courier to get the correct factor to use.
My package is going by sea freight. What dimensional factor should I use?
For sea freight, a dimensional factor of 1000 kg per cubic meter is typically used. However, always verify the specific factor with your sea freight carrier before calculating.
If my actual weight is less than the volumetric weight, which weight do I pay for?
You will always be charged based on the *higher* of the actual weight and the volumetric weight. For example, if your actual weight is 10kg and your volumetric weight is 15kg, you will be charged for 15kg.
Where can I find the exact dimensional factor for air freight?
Contact the specific air freight carrier you plan to use. While a divisor of 167 kg per cubic meter is common, they can provide the most accurate factor for their services.
About Honour Ocean Shipping
Honour Ocean Shipping is a professional freight forwarding company based in Shenzhen, China, with 17 years of logistics experience since 2009. We specialize in ocean freight, air freight, express shipping, railway freight, and DDP delivery to 200+ countries. Our sub-brand FBA Freight focuses on Amazon FBA logistics.


