* The equivalent units columns use the short scale large-number naming system currently used in most English-language countries, e.g. When used in this context, there is little need to distinguish between metric and other tons, and the unit is spelt either as ton or tonne with the relevant prefix attached. Kilotonne, megatonne, and gigatonne are more usually used for the energy of nuclear explosions and other events in equivalent mass of TNT, often loosely as approximate figures. Derived units įor multiples of the tonne, it is more usual to speak of thousands or millions of tonnes. In long tons: Exactly 1 / 1.0 long tons (LT), or approximately 0.9 LT.Ī tonne is the mass of one cubic metre of pure water: at 4 ☌ one thousand litres of pure water has an absolute mass of one tonne.One short ton is exactly 0.907 184 74 t.In pounds: Exactly 1000 / 0.453 592 37 pounds (lb) by definition of the pound, or approximately 2 204.622 622 lb.Megagram is the corresponding official SI unit with the same mass. In kilograms: 1000 kilograms (kg) by definition.
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The Imperial and US customary units comparable to the tonne are both spelled ton in English, though they differ in mass. In the United States, the unit was originally referred to using the French words millier or tonneau, but these terms are now obsolete. The spelling tonne pre-dates the introduction of the SI in 1960 it has been used with this meaning in France since 1842, when there were no metric prefixes for multiples of 10 6 and above, and is now used as the standard spelling for the metric mass measurement in most English-speaking countries.
Weight converter kg to ton full#
A full tun, standing about a metre high, could easily weigh a tonne. Old English and Old Frisian tunne, Old High German and Medieval Latin tunna, German and French tonne) to designate a large cask, or tun. Ton and tonne are both derived from a Germanic word in general use in the North Sea area since the Middle Ages (cf. Both terms are acceptable in Canadian usage. In the United States, metric ton is the name for this unit used and recommended by NIST an unqualified mention of a ton almost invariably refers to a short ton of 2,000 pounds (907 kg), and tonne is rarely used in speech or writing. In Australia, the common and recommended pronunciation is / t ɒ n/. In the US and UK, tonne is usually pronounced the same as ton ( / t ʌ n/), but the final "e" can also be pronounced, i.e. In English, tonne is the established spelling alternative to metric ton. If describing TNT equivalent units of energy, one megatonne of TNT is equivalent to approximately 4.184 petajoules. For example, T, MT, mT, Mt and mt are the SI symbols for the tesla, megatesla, millitesla, megatonne (one teragram), and millitonne (one kilogram) respectively.
![weight converter kg to ton weight converter kg to ton](https://i.pinimg.com/originals/db/07/87/db0787a1a48db7134a7130dc194d7402.gif)
Use of minuscule letter case is significant, and use of other letter combinations can lead to ambiguity. It is a symbol, not an abbreviation, and should not be followed by a period. Its use is also official for the metric ton in the United States, having been adopted by the United States National Institute of Standards and Technology (NIST). The BIPM symbol for the tonne is t, adopted at the same time as the unit in 1879.