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 between common units of speed
1 m/s = 13.6000002.236936*1.943844*3.280840*
1 km/h = 0.277778*10.621371*0.539957*0.911344*
1 mph = 0.447041.60934410.868976*1.466667*
1 knot = 0.514444*1.8521.150779*11.687810*
1 ft/s = 0.30481.097280.681818*0.592484*1

(* = approximate values)

See also

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


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