
| 
UNIT |

Code: | 
0112/2///62720#UAB110 |

Version: | 
001 |

Revision: | 
03 |

IRDI: | 
0112/2///62720#UAB110#001 |

Preferred name: | 
knot |

Synonymous name: | 
|

Short name: | 
kn |

Definition: | 
non SI-conforming unit knot, of a navigation context, which is based on the nautical mile and defined as: 1 knot = 1 sea mile/hour = 0,514 44 m/s |

Note: | 
The name is derived from the knots which are made into the cord of the log chip to mark certain distances. The number of the knots which is put back in a particular time (fixed by the Logglas) yields the speed (relative to the flow). |

Remark: | 
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Definition source: | 
NIST Guide for the Use of the International System of Units (SI). NIST Special Publication 811, 2008 Edition. NIST (National Institute of Standards and Technology), Gaithersburg, MD. |

Definition class: | 
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Base unit: | 
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Unit structure: | 
m s⁻¹ |

Unit in text: | 
knot |

Unit in SGML/XML: | 
<math xmlns="http://www.w3.org/1998/Math/MathML" display="block"> <!-- UAB110 --> <mrow> <mi mathvariant="normal">kn</mi> </mrow> </math> kn |

UN/ECE code: | 
KNT |

Unit conversion: | 
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Formula in text: | 
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Data object identifier: | 
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Time stamp: | 
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Applicable properties: | 
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Applicable list of units: | 
0112/2///62720#UAD236 - velocity |

Status level: | 
Standard |

Published in: | 
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Version initiation date: | 
2014-02-11 |

Version release date: | 
2014-02-11 |

Revision release date: | 
2023-07-24 |

Responsible Committee: | 
IEC/SC 3D |

Change request ID: | 
C00124 |

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