How many gigametre in 1 light-second? The answer is 0.299792458. We assume you are converting between gigametre and light second. You can view more details on each measurement unit: gigametre or light-second The SI base unit for length is the metre. 1 metre is equal to 1.0E-9 gigametre, 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 gigameters and light seconds. Type in your own numbers in the form to convert the units!
1 gigametre to light-second = 3.33564 light-second
5 gigametre to light-second = 16.6782 light-second
10 gigametre to light-second = 33.35641 light-second
15 gigametre to light-second = 50.03461 light-second
20 gigametre to light-second = 66.71282 light-second
25 gigametre to light-second = 83.39102 light-second
30 gigametre to light-second = 100.06923 light-second
40 gigametre to light-second = 133.42564 light-second
50 gigametre to light-second = 166.78205 light-second
You can do the reverse unit conversion from light-second to gigametre, or enter any two units below:
A gigametre (American spelling: gigameter, symbol: Gm) is a unit of length equal to 10^9 metres. Its customary equivalent is 621,371 miles.
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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