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Speed of light, Speed

Speed of light is a universal physical constant important in many areas of physics. Its value is 299792458 metres per second, a figure that is exact since the length of the metre is defined from this constant and the international standard for time. In imperial units this speed is approximately 186,282 miles per second.Read more

List of all Speed of light to other speed units individual converters.
Convert  Speed of light

Metric

Kilometre per second km/s 299792.458
Kilometre per hour km/h 1079252848.8
Metre per second m/s 299792458
Metre per minute m/min 1798754748×101
Millimetre per second mm/s 2997924580×102

U.S./Imperial

Mile per second mps 186282.3971
Mile per hour mph 670616629.3844
Foot per second fps 983571056.4304
Foot per minute 5901426339×101

Nautical

Knot kn 582749918.3585

Other

Speed of sound 881742.5235

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