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Foot per second

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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). It expresses the distance in feet (ft) traveled or displaced, divided by the time in seconds (s). 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.

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. ^ "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.
United States customary units
Comparison with imperial unit system
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