Speed Converter
Convert km/h, mph, m/s, knots, mach
Kilometers/hour
100 km/h
Miles/hour
62.1371 mph
Meters/second
27.7778 m/s
Knots (nautical)
53.9957 knots
Mach (speed of sound)
0.081 mach
Mach 1 = 343 m/s at sea level (20°C). Knots are used in aviation and maritime navigation.
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Calculated with CalcHub