How many milimetro in 1 light-second?
The answer is 299792458000.
We assume you are converting between milímetro and light second.
You can view more details on each measurement unit: milimetro or
light-second
The SI base unit for length is the metre.
1 metre is equal to 1000 milimetro, or 3.3356409519815E-9 light-second.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between milimetros and light seconds.
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El milímetro es una unidad de longitud. Es el tercer submúltiplo del metro y equivale a la milésima parte de él. Su abreviatura es mm.

››Definition: Light-second

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.

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