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Speed Converter

mph, km/h, m/s, knots and more

From unit
Meter per Second
To unit
Kilometer per Hour

Supported speed units

This converter supports 7 units. Each conversion is calculated using the standard SI definition where applicable.

  • Meter per Second (m/s)
  • Kilometer per Hour (km/h)
  • Mile per Hour (mph)
  • Foot per Second (ft/s)
  • Knot (kn)
  • Mach (Ma)
  • Speed of Light (c)

Popular speed conversions

Quick reference for the most-searched speed conversions.

  • 100 km/h to mph = 62.13716893 mph
  • 60 mph to km/h = 96.56056275 km/h
  • 1 m/s to km/h = 3.59999712 km/h
  • 1 kn to km/h = 1.851996918 km/h

Speed converter FAQ

How many mile per hours are in 100 kilometer per hours?
100 kilometer per hours (km/h) equals 62.13716893 mile per hours (mph).
How many kilometer per hours are in 60 mile per hours?
60 mile per hours (mph) equals 96.56056275 kilometer per hours (km/h).
How many kilometer per hours are in 1 meter per second?
1 meter per second (m/s) equals 3.59999712 kilometer per hours (km/h).
How many kilometer per hours are in 1 knot?
1 knot (kn) equals 1.851996918 kilometer per hours (km/h).
What is a speed converter?
A speed converter instantly translates a value from one speed unit to another. Unit Guru supports 7 speed units, with the Meter per Second (m/s) as the SI base unit.
How accurate is the speed conversion?
Every conversion uses the standard SI definition or the official conversion factor. Results are computed in your browser using double-precision arithmetic, so they're as accurate as the source units allow.
Is the speed converter free?
Yes — Unit Guru is 100% free with no ads, no signup, and no tracking. All conversions run client-side in your browser.

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