| foot per second | |
|---|---|
| Unit system | Imperial, United States customary units |
| Unit of | speed |
| Symbol | ft/s, fps |
| Conversions | |
| 1 ft/s, fps in ... | ... is equal to ... |
| m/s | 0.3048 |
| mph | 0.6818 |
| kn | 0.5925 |
| km/h | 1.0973 |
The foot per second (plural feet per second) is a unit of both speed (scalar) and velocity (vector quantity, which includes direction).1 It expresses the distance in feet (ft) traveled or displaced, divided by the time in seconds (s).2
The corresponding unit in the International System of Units (SI) is the meter per second.
Abbreviations include ft/s, fps, and the scientific notation ft s−1.1
Conversions
| m/s | km/h | mph (mi/h) | knot | fps (ft/s) | |
|---|---|---|---|---|---|
| 1 m/s = | 1 | 3.600000 | 2.236936* | 1.943844* | 3.280840* |
| 1 km/h = | 0.277778* | 1 | 0.621371* | 0.539957* | 0.911344* |
| 1 mph (mi/h) = | 0.44704 | 1.609344 | 1 | 0.868976* | 1.466667* |
| 1 knot = | 0.514444* | 1.852 | 1.150779* | 1 | 1.687810* |
| 1 fps (ft/s) = | 0.3048 | 1.09728 | 0.681818* | 0.592484* | 1 |
(* = approximate values)
References
References
- "What is foot per second (ft/s or ft/sec)? - Definition from WhatIs.com". WhatIs.com.
- "What is a speed unit foot per second (ft/sec)?". Aqua-Calc. Retrieved 2018-06-02.