Foot per second

foot per second
Unit systemImperial, United States customary units
Unit ofspeed
Symbolft/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

Conversions between common units of speed
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)

See also

References

  1. ^ a b "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.


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