Help make Alexa smarter on Alexa Answers. Sign in with Amazon


How many miles per hour is the speed of light travel?

The speed of light in a vacuum is 186,282 miles per second, and in theory nothing can travel faster than light. In miles per hour, light speed is, well, a lot: about 670,616,629 mph. If you could travel at the speed of light, you could go around the Earth 7.5 times in one second.

{{ relativeTimeResolver(1568751884803) }}

Points points 57

Similar Questions
Sign in to view all similar questions

Join Alexa Answers

Help make Alexa smarter and share your knowledge with the world