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Volumetric Weight: What is it and How to Make the Most of It

Updated: Mar 27, 2022

When shipping internationally, packages are charged based on either volumetric or actual weight, whichever is greater.

What Is Volumetric Weight?

Volumetric weight (also known as dimensional weight) is the amount of space a package occupies in a given area. Volumetric weight is calculated by multiplying the length x height x width of a package and dividing the result by a volumetric factor, usually 5000.

width x length x height (in cm)



Kfriday commonly uses Korea Post's official boxes because they are sturdy and affordable. What are their volumetric weights?

  1. Size 22 x 19 x 9 cm3 VW 0.75kg (Billable 1kg)

  2. Size 27 x 18 x 15 cm3 VW 1.46kg (Billable 1.5kg)

  3. Size 34 x 25 x 21 cm3 VW 3.57kg (Billable 4kg)

  4. Size 41 x 31 x 28 cm3 VW 7.11kg (Billable 7.5kg)

  5. Size 48 x 38 x 34 cm3 VW 12.4kg (Billable 12.5kg)

  6. Size 52 x 48 x 40 cm3 VW 19.97kg (Billable 20kg)

Making the Most of Volumetric Weight

While it may seem like an unwelcome facet of the shipping world, you can actually use volumetric shipping to your advantage by maximizing shipping efficiency.

  • Efficient Packaging – Using the smallest possible box for every order is the first and most vital step in mastering the process.

  • Efficient Grouping – When shipping multiple products or orders at once, you want to create a single shipment that’s perfectly balanced in weight and dimensions. By pairing lower and higher density items together, you can minimize any potential losses caused by volumetric weight rating.


Like the image below, Kfriday repacks and consolidates multiple items into one smaller box for you, free of charge. We make sure to

  • use bubble wrap to protect your goods; and

  • figure out a way to minimize your billable weight

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