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A metric ton is a unit of measurement based on the metric system, rather than the standard, or imperial, system more commonly used in the United States. It is known as a tonne in most other countries, and is equivalent to 1,000 kilograms. Strictly speaking, it is a megagram, being one million grams.
A metric ton is equivalent to 1,000... A U.S. ton, which is generally called a short ton or simply, a ton, is equivalent to approximately 907 kilograms. A metric ton is equivalent to 1,000...