A metric ton, also known as a tonne, is a metric unit of mass commonly used in countries like Canada and the United States. It is a non-SI metric unit and is equivalent to 1,000 kilograms or one megagram. The metric ton measures the weight of materials used in heavy industries such as construction, mining, and shipping, and it is an essential part of global trade. Its conversion rate to pounds is approximately 2,204.6 pounds. The use of metrics is essential as it helps in promoting international trade and provides a standard unit of measurement for all countries, aiding in the exchange of goods and products.