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Knot (unit)

Unit of speed / From Wikipedia, the free encyclopedia

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The knot (/nɒt/) is a unit of speed equal to one nautical mile per hour, exactly 1.852 km/h (approximately 1.151 mph or 0.514 m/s).[1] The ISO standard symbol for the knot is kn.[2] The same symbol is preferred by the Institute of Electrical and Electronics Engineers (IEEE), while kt is also common, especially in aviation, where it is the form recommended by the International Civil Aviation Organization (ICAO).[3] The knot is a non-SI unit.[4] The knot is used in meteorology, and in maritime and air navigation. A vessel travelling at 1 knot along a meridian travels approximately one minute of geographic latitude in one hour.

Quick facts: knot, General information, Unit system, Unit&...
knot
Airspeed_Indicator.svg
An airspeed indicator, which shows speed in knots
General information
Unit system
  • meteorology
  • aviation
  • maritime
Unit ofspeed
Symbolkn,kt
Conversions
1 kn in ...... is equal to ...
   km/h   1.852
   mph   1.15078
   m/s   0.514444
   ft/s   1.68781
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