Gross - The weight of the goods including packing, wrappers, or containers, internal and external. The total weight as shipped.
Net - The weight of the goods themselves without the inclusion of any wrapper.
Tare - The weight of the packaging or container.
Weight / Measurement Ton - In many cases, a rate is shown per weight/measurement ton, carrier's option. This means that the rate will be assessed on either a weight ton or measurement ton basis, whichever will yield the carrier the greater revenue. As example, the rate may be quoted on the basis of 2,240 pounds or 40 cubic feet or of one metric ton or one cubic metre.
Weight Ton - There are three types of weight ton; the short ton, weighing 2,000 pounds; the long ton, weighing 2,240 pounds; and the metric ton weight 2,204.68 pounds. The last is frequently quoted for cargo being exported from Europe.