How many light second in 1 petameter?
The answer is 3335640.9519815.
We assume you are converting between light second and petametre.
You can view more details on each measurement unit: light second or
petameter
The SI base unit for length is the metre.
1 metre is equal to 3.3356409519815E-9 light second, or 1.0E-15 petameter.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between light seconds and petameters.
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A light-second is a unit of length. It is defined as the distance light travels in an absolute vacuum in one second or 299,792,458 meters. Note that this value is considered exact, since the meter is actually (as of 1983) defined in terms of the light second. It is just over 186,282 miles and almost 109 feet.

››Definition: Petameter

A petametre (American spelling: petameter, symbol: Pm) is a unit of length equal to 10^15 metres.

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