ton
US short ton
Massexact by definition
The US short ton is exactly 2000 avoirdupois pounds, which is exactly 907.18474 kilograms. The value is exact because the pound is exact. In the United States an unqualified "ton" in a commercial or engineering context normally means this one.
Watch out: Do not confuse it with the metric tonne (1000 kg, about 10 percent heavier) or the UK long ton of 2240 lb (1016.0469088 kg, about 12 percent heavier). Also note the ton of refrigeration, a unit of cooling power rather than mass, which shares the word and appears under Power.
| 1 ton | 907.18474 kg |
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