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Speed Converter
Convert between speed units
Value
Unit
Meters per second (m/s)
Kilometers per hour (km/h)
Miles per hour (mph)
Feet per second (ft/s)
Knots (kn)
Mach (at sea level) (Ma)
Speed of light (c)
Conversions
Meters per second
27.7778
m/s
Kilometers per hour
100
km/h
Miles per hour
62.1372
mph
Feet per second
91.1345
ft/s
Knots
53.9958
kn
Mach (at sea level)
0.081
Ma
Speed References
Walking: ~5 km/h (3.1 mph)
Running: ~10 km/h (6.2 mph)
City driving: ~50 km/h (31 mph)
Highway: ~120 km/h (75 mph)
Sound (Mach 1): 1,235 km/h (767 mph)
Light: 299,792 km/s
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