Kilometer per Hour to Meter per Second Conversion
Convert between Kilometer per Hour and Meter per Second quickly and accurately.
How to Convert Kilometer per Hour to Meter per Second
Conversion Formula
Example
Convert 15 km/h to m/s:
Unit Information
Learn about the speed units you're converting between
Kilometer per Hour
km/h
Definition
The kilometer per hour is a unit of speed expressing the number of kilometers traveled in one hour. It is commonly used for measuring vehicle speeds, wind speeds, and general transportation velocities in most countries worldwide, except the United States.
History/Origin
Kilometer per hour became widely adopted with the metric system in the 19th century, particularly in Europe and other metric countries. It replaced various regional speed measurements and became the standard for road signs, speedometers, and official speed limits.
Current Use
Kilometer per hour is the primary speed unit for road traffic, aviation, maritime navigation, and weather reporting in metric countries. It is used on speedometers, road signs, weather forecasts, and in transportation planning and safety regulations.
Multiplier
0.278
Offset
0
Meter per Second
m/s
Definition
The meter per second is the SI base unit for speed and velocity, representing the distance traveled in meters divided by the time taken in seconds. It is the fundamental unit for measuring linear motion and is used extensively in physics, engineering, and scientific calculations worldwide.
History/Origin
The meter per second was established as part of the International System of Units (SI) in 1960, combining the meter (defined in 1791) and the second (based on atomic time standards). It replaced various regional speed units and became the standard for scientific and international measurements.
Current Use
Meter per second is widely used in physics laboratories, engineering calculations, sports science, automotive testing, and meteorological measurements. It provides precise measurements for velocity in scientific research, traffic engineering, and industrial applications.
Multiplier
1
Offset
0
Kilometer per Hour to Meter per Second Conversion Table
| Kilometer per Hour [km/h] | Meter per Second [m/s] |
|---|---|
| 1 km/h | 0.277778 m/s |
| 10 km/h | 2.777778 m/s |
| 25 km/h | 6.944444 m/s |
| 50 km/h | 13.888889 m/s |
| 100 km/h | 27.777778 m/s |
| 0 km/h | 0E+0 m/s |
| -10 km/h | -2.777778 m/s |
| -40 km/h | -11.111111 m/s |
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