| 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]