What is the speed of light in meters per second?

I am rather surprisedby this question, as a quick Google search would provide the answer. Nevertheless the answer is 299,792,458 metres/sec. Ironically there is a twist, as the length of the metre itself (at that time, not today) was based on the speed of light, thereby creating a circular relationship. read more

The speed of light in vacuum, commonly denoted c, is a universal physical constant important in many areas of physics. Its exact value is 299792458 metres per second (approximately 3.00×108 m/s), since the length of the metre is defined from this constant and the international standard for time. read more

Convert speed units. Easily convert speed of light to meters per second, convert c to mps . Many other converters available for free. read more

The speed of light in vacuum, commonly denoted c, is a universal physical constant important in many areas of physics. Its exact value is 299,792,458 metres per second (approximately 300,000 km/s (186,000 mi/s)). read more