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Speed converter: m/s ↔ km/h

Convert speeds between meters per second and kilometers per hour. Useful for sports, weather data and physics.

Type a value in either field and click convert.

Common in physics and wind data
Common for road speed
Conversion factor: 1 m/s = 3.6 km/h.

Why m/s and km/h differ

m/s measures how many meters are covered each second. km/h measures how many kilometers are covered each hour. The conversion uses 1 hour = 3600 seconds and 1 km = 1000 meters, so 1 m/s = 3.6 km/h.