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Calculators

Speed converter

Speeds go through metres per second: 1 km/h = 1/3.6 m/s, 1 mph = 0.44704 m/s, 1 knot = 1,852 m per hour and 1 ft/s = 0.3048 m/s.

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In every unit

  • Metres per second (m/s)-
  • Kilometres per hour (km/h)-
  • Miles per hour (mph)-
  • Knot (kn)-
  • Feet per second (ft/s)-

Worked example

  • 100 km/h = 62.1371 mph
  • 10 m/s = 36 km/h

Questions people ask

How do I turn km/h into m/s?

Divide by 3.6. 36 km/h is 10 m/s.

What is a knot?

One nautical mile (1,852 m) per hour, which is 1.852 km/h.