Decametre: Difference between revisions
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{{Wiktionary|decametre}} |
{{Wiktionary|decametre}} |
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A '''decametre''' or '''dekametre'''{{cn|date=June 2016}} ([[American English|American spelling]]: '''dekameter''', earlier '''decameter'''{{cn|date=June 2016}}; symbol '''dkm''', sometimes unofficially '''Dm''' or ''' |
A '''decametre''' or '''dekametre'''{{cn|date=June 2016}} ([[American English|American spelling]]: '''dekameter''', earlier '''decameter'''{{cn|date=June 2016}}; symbol '''dkm''', sometimes unofficially '''Dm''' or '''''') is a very rarely used [[Units of measurement|unit]] of [[length]] in the [[metric system]], equal to ten [[metre]]s. |
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This measure is included in the SI mostly for completeness: in principle, any combination of prefix and unit can be written, but many are rarely used in practice. One practical use of the decameter is for altitude of [[geopotential height]]s in meteorology. Meteorologists also use another seldom encountered SI prefix: [[Hecto|hecto-]] in hectopascal (hPa). The volumetric form (see below) ''cubic decametre'' is convenient for describing large volumes of water such as in rivers and lakes. |
This measure is included in the SI mostly for completeness: in principle, any combination of prefix and unit can be written, but many are rarely used in practice. One practical use of the decameter is for altitude of [[geopotential height]]s in meteorology. Meteorologists also use another seldom encountered SI prefix: [[Hecto|hecto-]] in hectopascal (hPa). The volumetric form (see below) ''cubic decametre'' is convenient for describing large volumes of water such as in rivers and lakes. |
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Revision as of 14:51, 18 September 2017
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| Decametre | |
|---|---|
| Unit system | metric |
| Unit of | length |
| Symbol | dkm |
| Conversions | |
| 1 dkm in ... | ... is equal to ... |
| SI units | 10 m |
| imperial/US units | 10.936 yd 393.70 in |
A decametre or dekametre[citation needed] (American spelling: dekameter, earlier decameter[citation needed]; symbol dkm, sometimes unofficially Dm or dam) is a very rarely used unit of length in the metric system, equal to ten metres.
This measure is included in the SI mostly for completeness: in principle, any combination of prefix and unit can be written, but many are rarely used in practice. One practical use of the decameter is for altitude of geopotential heights in meteorology. Meteorologists also use another seldom encountered SI prefix: hecto- in hectopascal (hPa). The volumetric form (see below) cubic decametre is convenient for describing large volumes of water such as in rivers and lakes.
The square decametre (dam2) also known as the are (a), is the basis for the hectare (100 dam2), the standard metric unit of land registry.
See also
- SI prefix
- deca-
- Orders of magnitude (length)
- Conversion of units, for comparison with other units