Speed Unit Converter

Enter a value and select a starting unit to see all available conversion results.

Speed Units and Descriptions

Below are descriptions and historical context for each Speed unit available in this converter.

Meter per Second (m/s)

Meter per second, the SI unit of speed. Fundamental unit for velocity measurements.

Kilometer per Hour (km/h)

Kilometers per hour, commonly used for vehicle speeds and weather wind measurements.

Mile per Hour (mph)

Miles per hour, standard speed unit in the United States for vehicles and wind.

Foot per Second (ft/s)

Feet per second, used in ballistics, fluid dynamics, and some engineering applications.

Knot (kn)

Knot equals one nautical mile per hour. Used in maritime and aviation for navigation.

Speed of Light (c)

Speed of light in vacuum, fundamental physical constant. Exactly 299,792,458 meters per second.

Base Unit Conversion Factors

The table below shows the conversion factors from each unit to the base unit, which is the Meter per second (m/s).

  • 1 Meter per second (m/s) = 1 Meter per Second (m/s)
  • 1 Meter per second (m/s) = 3.5999971200023 Kilometer per Hour (km/h)
  • 1 Meter per second (m/s) = 2.2369362920544 Mile per Hour (mph)
  • 1 Meter per second (m/s) = 3.2808398950131 Foot per Second (ft/s)
  • 1 Meter per second (m/s) = 1.9438461717893 Knot (kn)
  • 1 Meter per second (m/s) = 3.3356409519815E-9 Speed of Light (c)