Speed Converter
Convert speeds between kilometers per hour, meters per second, miles per hour and knots. Ideal for running, sailing or physics.
Speed conversion
Result
100 km/h =
27,777778 m/s
Meters per second
100 km/hKilometers per hour
27,777778 m/sMeters per second
62,137119 mphMiles per hour
53,99568 ktKnots
91,134442 ft/sFeet per second
0,08163 MachMach (at sea level)
1 knot = 1.852 km/h · To go from m/s to km/h: multiply by 3.6.
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Frequently asked questions
How many km/h is a knot?+
1 knot equals exactly 1.852 km/h. It's the standard unit in maritime and air navigation.
How do I go from m/s to km/h?+
Multiply by 3.6. For example, 10 m/s is 36 km/h.