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km/h (kmh) → knot (knot)

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Use our free online converter to convert between units instantly. Enter any value in the field above to get accurate results. No signup or download required—all conversions run in your browser. Our calculator uses standard conversion factors for reliability.

0
kmh=knot
1=0.539957
5=2.699784
10=5.399568
20=10.799136
50=26.99784
100=53.99568
120=64.794816
200=107.991361

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Brief explanation: km/h to knot

km/h is the most common unit globally. m/s is used in physics. mph is standard in the USA. Knot is used in aviation and maritime. Walking speed is about 5 km/h, a car on a highway ~100 km/h. Speed of sound is about 343 m/s. To convert km/h to mph, multiply by 0.621. To convert mph to km/h, multiply by 1.609. Our converter handles all these units accurately.

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Common conversion examples: km/h to knot

Reference values for quick comparison. Use the converter above for any amount.

  • 1 km/h=0.54 knot
  • 50 km/h=26.9978 knot
  • 100 km/h=53.9957 knot

About the Units

km/h (kmh)

Definition: Kilometers per hour (km/h) is a unit of speed. It measures distance traveled in kilometers per hour. It is the standard speed unit in most countries and for vehicles worldwide.
History: km/h became standard with the metric system. It is used on speedometers in most countries. Road signs and speed limits use km/h except in the US and UK.
Current use: km/h is used for vehicle speed, wind speed, and athletic performance. Speed limits and odometers use km/h in metric countries. 100 km/h ≈ 62 mph.

knot (knot)

Definition: A knot (kn) is a unit of speed used in maritime and aviation. One knot equals one nautical mile per hour, or approximately 1.852 km/h. It is the standard for ships and aircraft.
History: The knot originated from the practice of measuring ship speed using a rope with knots at intervals. The nautical mile is based on the Earth's circumference. The knot remains standard in navigation.
Current use: Knots are used for ship speed, aircraft speed, and wind speed in marine and aviation. Weather reports for sailors use knots. One knot ≈ 1.15 mph.

Sources

Conversion factors and unit definitions follow international standards. For authoritative references, see: