What is the speed of light in km?
No context provided
What is the theoretical speed of light (c) in km/s?
approximately 300000 km/s 299792.458
No context provided
What is the speed of light in km/h?
1080000000
No context provided
What is the speed of light in air in km/s?
299700 km/s
Speed of light
https://en.wikipedia.org/wiki/Speed%20of%20light
The speed of light in vacuum, commonly denoted c, is a universal physical constant important in many areas of physics. Its exact value is defined as 299792458 metres per second (approximately 300000 km/s, or 186000 mi/s).[Note 3]
Speed of light
The speed of light in vacuum, commonly denoted c, is a universal physical constant important in many areas of physics. Its exact value is defined as 299792458 metres per second (approximately 300000 km/second, or 186000 metres/second). The speed of light in air is 299700 km/second, or 1080000000 km/hour.