**What is the speed of light in km hr?**
https://www.universetoday.com/38040/speed-of-light-2/

Light travels at a constant speed of 1,079,252,848.8 (1.07 billion) km per hour. That works out to 299,792,458 m/s, or about 670,616,629 mph (miles per hour).

**DA:** 69 **PA:** 64 **MOZ Rank:** 15