How many exametre in 1 light-day? The answer is 2.59020683712E-5. We assume you are converting between exametre and light day. You can view more details on each measurement unit: exametre or light-day The SI base unit for length is the metre. 1 metre is equal to 1.0E-18 exametre, or 3.8606955462749E-14 light-day. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between exameters and light days. Type in your own numbers in the form to convert the units!
1 exametre to light-day = 38606.95546 light-day
2 exametre to light-day = 77213.91093 light-day
3 exametre to light-day = 115820.86639 light-day
4 exametre to light-day = 154427.82185 light-day
5 exametre to light-day = 193034.77731 light-day
6 exametre to light-day = 231641.73278 light-day
7 exametre to light-day = 270248.68824 light-day
8 exametre to light-day = 308855.6437 light-day
9 exametre to light-day = 347462.59916 light-day
10 exametre to light-day = 386069.55463 light-day
You can do the reverse unit conversion from light-day to exametre, or enter any two units below:
The SI prefix "exa" represents a factor of 1018, or in exponential notation, 1E18.
So 1 exametre = 1018 metre.
A light day (also written light-day) is a unit of length. It is defined as the distance light travels in an absolute vacuum in one day (of 86,400 seconds) or 25,902,068,371,200 metres (~26 Tm).
Note that this value is exact, since the metre is actually defined in terms of the speed of light. The light day isn't very frequently used at all since there are few astronomical objects or distances of that magnitude; the Oort cloud, for example, is thought to extend between 290 and 580 light-days out from the Sun.
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