Template:Convert/list of units/speed

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Speed
system unit code
(alternative)
symbol or
abbrev.
notes sample
default conversion
combinations
SI metre per second m/s m/s US spelling: meter per second
1.0 m/s (3.3 ft/s)
  • m/s ft/s (m/s foot/s)
non-SI metric kilometre per hour km/h km/h US spelling: kilometer per hour
1.0 km/h (0.62 mph)
  • km/h mph
Imperial
&
US customary
mile per hour mph mph 1.0 mph (1.6 km/h)
  • mph km/h
mile per second mi/s mi/s 1.0 mi/s (1.6 km/s)
  • mi/s km/s
foot per second ft/s (foot/s) ft/s long code "foot/s" outputs foot per second (and never feet) 1.0 ft/s (0.30 m/s)
  • ft/s m/s (foot/s m/s)
furlong per fortnight furlong per fortnight (none) 1.0 furlong per fortnight (0.00060 km/h; 0.00037 mph)
Aeronautical units knot kn (knot) kn 1.0 kn (1.9 km/h; 1.2 mph)