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Convert/list of units/speed/short list

SPEED
(Full list)
system unit unit-
code
abbrev-
iation
notes sample default
conversion
combination
output units
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
  • mph kn
foot per second ft/s (foot/s) ft/s code "foot/s" will show "foot per second" if plural.

code "foot/s" will show "foot" or "feet" depending on value.

1.0 ft/s (0.30 m/s)
  • ft/s m/s
Maritime units knot kn (knot) kn 1.0 kn (1.9 km/h; 1.2 mph)
  • kn mph