  Short ton, in North America is 2,000 pounds … or 907.18474 kg.   Metric ton, often spelled 'tonne', is 1,000 kg or approximately 2,204.6 pounds. A tonne and a metric tonne are the same thing.A tonne is a unit of mass. 1 tonne = 1000 Kg. There is 1.10 short tons in one Metric ton. A Metric tonne is 1000 kilos which equals 2200 pounds.That's the same as one long ton. tonne and a metric tonne are the same thing. A tonne is a unit of mass. 1 tonne = 1000 Kg. There is 1.10 short tons in one Metric ton. A Metric tonne is 1000 kilos which equals 2200 pounds.