Template:Convert/list of units/speed
Speed  

system  unit  code (alternative) 
abbreviation  notes  conversion factor/(m/s)  combinations 
SI  meter per second  m/s  m/s  UK spelling: metre per second 
1 

nonSI metric  kilometer per hour  km/h  km/h  UK spelling: kilometre per hour 
(5/18) 

Imperial & US customary 
mile per hour  mph  mph  0.44704 
 
foot per second  ft/s (foot/s)  ft/s  Code "foot/s" will show "foot per second" if plural.  0.3048 
 
furlong per fortnight  furlong per fortnight  (1.397/8,400)  
Maritime units  knot  kn (knot)  kn  (4.63/9) 