Convert Kilometer/hour to Foot/second
Please provide values below to convert kilometer/hour [km/h] to foot/second [ft/s], or vice versa.
Kilometer/hour
Definition: The unit kilometers per hour (symbol: km/h) is a unit of speed expressing the number of kilometers traveled in one hour.
History/origin: The unit of kilometers per hour is based on the meter, which was formally defined in 1799. According to the Oxford English Dictionary, the term kilometer first came into use in 1810. It was not until later in the mid-late 19th century however, that the use of kilometers per hour became more widespread; the myriametre (10,000 meters) per hour was preferred for expressing speed.
Current use: Km/h is currently the most commonly used unit of speed around the world and is typically used for car speeds and road signs. It is also common for both miles per hour as well as kilometers per hour to be displayed on car speedometers. There are many abbreviations for the unit kilometers per hour (kph, kmph, k.p.h, KMph., etc.), but "km/h" is the SI unit symbol.
Feet per second
Definition: A foot per second (symbol: ft/s) is a unit of speed and velocity that expresses the time taken in seconds to travel a specific distance in feet. It is equal to 0.3048 meters per second, the International System of Units (SI) derived unit of speed and velocity. It is also equal to 0.592484 knots and 0.681818 miles per hour.
History/origin: The foot per second is a measurement based in systems like the imperial and United States customary systems of units, where the foot is the preferred unit of length.
Current use: The foot per second is not widely used. The meter per second is the preferred measurement in scientific contexts, and either miles per hour or kilometers per hour are more common in everyday use for describing road speeds. The foot per second is also a relatively small unit of measurement making it difficult for use on a larger scale.
Kilometer/hour to Foot/second Conversion Table
| Kilometer/hour [km/h] | Foot/second [ft/s] |
|---|---|
| 0.01 km/h | 0.0091134442 ft/s |
| 0.1 km/h | 0.0911344415 ft/s |
| 1 km/h | 0.9113444153 ft/s |
| 2 km/h | 1.8226888306 ft/s |
| 3 km/h | 2.7340332458 ft/s |
| 5 km/h | 4.5567220764 ft/s |
| 10 km/h | 9.1134441528 ft/s |
| 20 km/h | 18.2268883056 ft/s |
| 50 km/h | 45.5672207641 ft/s |
| 100 km/h | 91.1344415281 ft/s |
| 1000 km/h | 911.3444152814 ft/s |
How to Convert Kilometer/hour to Foot/second
1 km/h = 0.9113444153 ft/s
1 ft/s = 1.09728 km/h
Example: convert 15 km/h to ft/s:
15 km/h = 15 × 0.9113444153 ft/s = 13.6701662292 ft/s