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Speed conversion calculator
Speed
m/sec
m/min
m/hr
m/day
m/wk
km/sec
km/min
km/hr
km/day
km/wk
mm/sec
mm/min
mm/hr
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mm/wk
in/sec
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ft/sec
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yard/sec
yard/min
yard/hr
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mile/sec
mile/min
mile/hr
mile/day
mile/wk
nautical mile/sec
nautical mile/min
nautical mile/hr
nautical mile/day
nautical mile/wk
mach
c (speed of light)
Convert speed!
Convert
51.39 m/sec
3.083 km/min
185 km/hr
4440 km/day
290080 km/wk
56.2 yard/sec
1.916 mile/min
115 mile/hr
2759 mile/day
180248 mile/wk
1.665 nautical mile/min
99.89 nautical mile/hr
0.14973 mach
Compare
Compare
185 km/hr
to speed standards from:
Cars
•
Planes
•
Physics
•
Nature
•
Average human walking
•
Svetlana Masterkova 1996 - 1 mile run
•
Hicham El Guerrouj 1999 - 1 mile run
•
Florence Griffith-Joyner 1988 - 100m sprint
•
Usain Bolt 2009 - 100m sprint
•
Unladen swallow
•
Ostrich - fastest animal on 2 legs
•
Cheetah - fastest runner
•
Black marlin - fastest swimmer
•
Horse-fly - fastest insect
•
Golden eagle max airspeed
•
Peregrine falcon - fastest flyer
•
References
Speed of light
Speed of sound
Speed of unladen swallow