Kilometer/hour Converter
Convert kilometers per hour (kph) to all other speed units
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Kilometer/hour Conversions for 1 kph
Common Kilometer/hour Conversions
About Kilometers per Hour (kph)
The kilometer per hour (symbol: km/h or kph) is a unit of speed, expressing the number of kilometers traveled in one hour. It is a widely used unit for speed in most parts of the world, particularly for road traffic and weather reports.
Context in Measurement
While the SI unit for speed is meters per second (m/s), kilometers per hour is more common in everyday life due to its convenient scale for human and vehicular speeds. 1 kph is equal to exactly 1/3.6 meters per second.
Common Applications
Kilometers per hour is used in various fields:
- Road speed limits and vehicle speedometers in most countries.
- Weather forecasting for wind speeds (though m/s and knots are also used).
- Describing the speed of trains, boats (sometimes), and aircraft (less commonly than knots).
- Sports, such as cycling speeds.
Common Equivalents
- 1 kilometer/hour (kph) = 0.2777... meters per second (m/s)
- 1 kilometer/hour (kph) ≈ 0.621371 miles per hour (mph)
- 1 kilometer/hour (kph) ≈ 0.911344 feet per second (ft/s)
- 1 kilometer/hour (kph) ≈ 0.539957 knots (nautical miles per hour)
Reference Points
To help visualize a kilometer per hour:
- A typical walking speed is around 4-5 kph.
- A jogging pace might be 8-12 kph.
- City driving speed limits are often between 30 kph and 60 kph.
- Highway speed limits can range from 80 kph to 130 kph or more in some regions.