Foot per second

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

Conversions between common units of speed

	m/s	km/h	mph	knot	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 =	0.44704	1.609344	1	0.868976*	1.466667*
1 knot =	0.514444*	1.852	1.150779*	1	1.687810*
1 ft/s =	0.3048	1.09728	0.681818*	0.592484*	1

(* = approximate values)

See also

• Foot per second squared, a corresponding unit of acceleration.
• Feet per minute

References

1. "What is foot per second (ft/s or ft/sec)? - Definition from WhatIs.com". WhatIs.com.
2. "What is a speed unit foot per second (ft/sec)?". Aqua-Calc. Retrieved 2018-06-02.