| Did you mean to convert | chinese mile li [ancient China] li [imperial China] li [modern China] line line [small] ri [Korea] |
to | light day |
How many li in 1 light day? The answer is 51804136742.4. We assume you are converting between chinese mile and light day. You can view more details on each measurement unit: li or light day The SI base unit for length is the metre. 1 metre is equal to 0.002 li, 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 chinese miles and light days. Type in your own numbers in the form to convert the units!
You can do the reverse unit conversion from light day to li, or enter any two units below:
The li (里, lǐ) is a traditional Chinese unit of distance, which has varied considerably over time but now has a standardized length of 500 meters or half a kilometer (c. 1640 feet). A modern li consists of 1,500 Chinese "feet" or chi and, in the past, was often translated as a "mile." Since the li has generally been only about a third as long as the mile, translating the character as "Chinese mile" or simply "li" is much less likely to produce confusion or error.
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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