A Ton (t) is a unit of weight equal to 1,000 kilograms (kG). A Tonne is a short for metric ton that is a unit of weight in the metric system, equal to 1,000 kG; The long ton (2240 lbs); The short ton (2000 lbs). Mt means Million Tons. (Refer to the Tonne (t, short for metric ton))
Related Definitions in the Project: The Property and Unit
