VERIFIED GROSS MASS (VGM)
What is Verified Gross Mass (VGM)?
VGM stands for Verified Gross Mass. It’s the total weight of a container, including the cargo, dunnage (packing materials), and the container’s tare weight (empty weight). This information is required by the International Maritime Organization (IMO) and is a mandatory requirement for shipping containers loaded onto vessels.
Verified Gross Mass (VGM) refers to the total weight of a packed shipping container, including:

The cargo weight (all goods inside)

The weight of all packaging and dunnage (e.g., pallets, bracing materials)

The tare weight of the container itself
Why Verified Gross Mass VGM Is Important?
The International Maritime Organization (IMO) requires VGM under the SOLAS (Safety of Life at Sea) Convention. This rule, effective since July 1, 2016, aims to improve maritime safety by preventing accidents caused by misdeclared container weights.
VGM Requirements
• Shippers are responsible for providing the VGM to the carrier and port terminal before the container is loaded onto a ship.
• If VGM is not provided, the container cannot be loaded.
• If VGM is not provided, the container cannot be loaded.
Two Approved Methods to Determine VGM

Weighing Method (Method 1)
- The packed container is weighed after loading.

Calculation Method (Method 2)
- Weight all cargo, packaging, and dunnage separately.
- Add the container’s tare weight (printed on the container).