How many light-second in 1 terameter? The answer is 3335.6409519815. We assume you are converting between light second and terametre. You can view more details on each measurement unit: light-second or terameter The SI base unit for length is the metre. 1 metre is equal to 3.3356409519815E-9 light-second, or 1.0E-12 terameter. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between light seconds and terameters. Type in your own numbers in the form to convert the units!
You can do the reverse unit conversion from terameter to light-second, or enter any two units below:
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.
The SI prefix "tera" represents a factor of 1012, or in exponential notation, 1E12.
So 1 terametre = 1012 metre.
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