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Want to know all about shipping container weight? Read this blog for your full guide to shipping container weights and dimensions. Plus why this is so important when moving cargo.
Before you ship cargo, it’s crucial to understand the weight of your containers. So you know exactly how much you can pack in. You don’t want a situation where your containers are overweight, as this could lead to fines, cargo damage and delays. Choosing the right container type and size will depend on the weight of your shipments.
Shipping containers come in various types and sizes. The most commonly-used shipping container for transporting dry goods is the standard dry container. Dry containers come in three sizes:
20ft dry shipping container
40ft dry shipping container
40ft HC dry shipping container
Generally speaking, an empty standard 20ft shipping container weighs 2,300kg / 5,071.5 lbs, a 40ft is 3,750kg / 8,268.8 lbs and a 40ft high cube is 3,900kg / 8,598 lbs.
When we talk about the weight of a container, there are 3 different types to take into account.
The tare weight is the weight of a container when it’s empty. This includes that of the container itself, plus the doors, roof and fixtures. Tare weight is essential for calculating the total weight of a loaded shipping container accurately.
The payload weight is the total weight of cargo that can be loaded into a container. This weight measurement represents the weight of the actual cargo itself. Every container type and size is designed to carry a specific payload capacity, and this should never be exceeded.
The gross weight is the combination of the tare weight and the payload capacity. In other words, gross weight is the total weight of a loaded container. Gross weight is crucial in transportation and logistics, as it helps to ensure that containers are fully loaded and that all regulations are met.
Now let’s take a look at the weights and dimensions of 20ft, 40ft and 40ft HC containers in more detail.
The 20ft shipping container is a popular due to its lightweight nature. It’s perfect for transporting small loads of dry goods like clothing, electronics and grains.
The 40ft container is the older sibling of the 20ft, with double the capacity of the 20ft.
It’s important to note that the 40ft is usually only around 30% more expensive than the 20ft. So it makes more sense to opt for one 40ft rather than two 20fts if you have larger cargo requirements.
The 40ft high cube container has the same dimensions as the 40ft container with an extra foot of height. This container size is idea if you have slightly taller cargo, or simply want to pack in a little more without buying a whole new container.
Knowing the weight of the container type you choose is important for a number of reasons. Here are some of the most crucial ones:
Cargo storage capacity: Before you decide which container size to opt for, you’ll need to know the container capacity. This will help you figure out if your cargo load will fit without exceeding the weight limits.
Calculating freight rates: Shipping lines charge freight rates according to the weight of your cargo load. In order to get a fair rate for your shipment, you’ll need to know the payload and gross weight of your container.
Shipping compliance: Each shipping container type and size must comply with specific weight and dimension restrictions. The International Convention for the Safety of Life at Sea (SOLAS) requires shippers to disclose the verified gross mass (VGM) of all containers before they’re allowed onboard a ship. Loaded containers that exceed the weight limit for their category will be fined and kept at the port.
Safety and damage prevention: A shipping container that’s overweight poses serious safety risks to port workers, containers and cargo. Loads that are too heavy can damage the container body, as well as chassis and terminal handling equipment used to lift and move it.
Balancing container loads: Besides making sure a container isn’t overweight, it’s also crucial to ensure your container load is balanced. For a load to be balanced, cargo must be evenly distributed. If a shipment isn’t properly balanced inside, the container could topple or buckle, damaging both the cargo and the container itself, and endangering port workers.
As we know, containers are big and heavy – so it’s not so simple to weigh them. But don’t worry, we’ll go over some of the most commonly-used methods of weighing shipping containers now.
Weighing containers on a chassis: To weigh a shipping container on a container chassis, a weighbridge is usually used. A weighbridge is a large platform scale mounted onto a concrete platform, which weighs an entire road vehicle and its contents all at once. The vehicle is driven onto the weighbridge to be weighed.
Crane or hoist: A crane or hoist is another way to measure the weight of a shipping container. This is done by lifting the container off the ground and measuring it as it hangs. The crane method is used when containers can’t be driven onto a weighbridge or there isn’t another type of weighing facility available.
Lever arm: This is a manual method of measuring container weight using a lever arm, fulcrum and counterweight. The container is placed on one side of the lever arm and the counterweight is adjusted until the lever is balanced with the container.
