How many megameter in 1 light seconds? The answer is 299.792458. We assume you are converting between megametre and light second. You can view more details on each measurement unit: megameter or light seconds The SI base unit for length is the metre. 1 metre is equal to 1.0E-6 megameter, or 3.3356409519815E-9 light seconds. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between megameters and light seconds. Type in your own numbers in the form to convert the units!
1 megameter to light seconds = 0.00334 light seconds
10 megameter to light seconds = 0.03336 light seconds
50 megameter to light seconds = 0.16678 light seconds
100 megameter to light seconds = 0.33356 light seconds
200 megameter to light seconds = 0.66713 light seconds
500 megameter to light seconds = 1.66782 light seconds
1000 megameter to light seconds = 3.33564 light seconds
You can do the reverse unit conversion from light seconds to megameter, or enter any two units below:
A megametre (American spelling: megameter, symbol: Mm) is a unit of length equal to 10^6 metres (from the Greek words megas = big and metro = count/measure). Its customary equivalent is 621.37 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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