Welcome! Enter your question below. Please use words like "Who, What, Where, When, Why, How, etc..." in your question. Nothing to ask? Click here for a random, un-answered question.

How fast is the light?

1,038,263questions on
Add New Page
Talk0 Share

The speed of light in free space is exactly 299,792,458 metres per second (m/s). Usually, this is rounded up to 300,000,000 m/s. For simplicity, it can be denoted as "c".

Ad blocker interference detected!

Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.

Also on Fandom

Random Wiki