Tare weight of container

The tare weight of a container is included in the total weight of the containerised goods transported, also called the gross-gross weight of goods. The gross weight of containerised goods transported can be calculated from the gross-gross weight by deducting the tare weight of the container and vice versa. If information about the tare weight is missing then the tare weight may be estimated using the averages below. The tare weight of a container may be estimated as: a) 20 Foot ISO container 2.3 tonnes; b) 40 Foot ISO container 3.7 tonnes; c) ISO container over 20 feet and under 40 feet of length 3.0 tonnes; d) ISO container over 40 feet of length 4.7 tonnes