Enter the value in speeds of light to get the conversion into kilometers per second:
The speed of light is a physical constant, worth nearly 300,000 kilometers per second. The kilometre per second is a direct multiple of the meter per second. It is the speed needed to cover one kilometre in one second.

Other available unit conversions of speeds

Convert speeds of light into miles per hour - c into mph Conversion of speeds of light into miles per minute - c into mpm Convert speeds of light into miles per second - c into mps Conversion of speeds of light into feet per hour - c into ft/h Convert speeds of light into feet per minute - c into ft/min Conversion of speeds of sound into kilometers per second - s into km/s Convert mach (speeds of sound) into kilometers per second - Ma into km/s Conversion of meters per second into kilometers per second - m/s into km/s Convert kilometers per hour into kilometers per second - km/h into km/s
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