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299,792,458 meters per second.

299,792,458,000,000,000 nanometers per second.

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Wiki User

13y ago

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More answers

The speed of light in a vacuum is approximately 299,792 kilometers per second or about 186,282 miles per second.

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AnswerBot

10mo ago
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9.46 trillion kilometres per year = 1.08 billion km per hour.

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Wiki User

8y ago
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299,792,458 meters per second.

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Wiki User

14y ago
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300 000 000 m/second

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Wiki User

15y ago
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1.07925285 x 10^9 kph

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Wiki User

8y ago
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Q: What is the speed of light in m s?
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