›› Convert light day to ri [Japan]


light-day
ri


›› More information from the unit converter

How many light-day in 1 ri? The answer is 1.5160951410222E-10.
We assume you are converting between light day and ri [Japan].
You can view more details on each measurement unit:
light-day or ri
The SI base unit for length is the metre.
1 metre is equal to 3.8606955462749E-14 light-day, or 0.00025464731347084 ri.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between light days and ri [Japan].
Type in your own numbers in the form to convert the units!


›› Quick conversion chart of light-day to ri

1 light-day to ri = 6595892124.0642 ri

2 light-day to ri = 13191784248.128 ri

3 light-day to ri = 19787676372.193 ri

4 light-day to ri = 26383568496.257 ri

5 light-day to ri = 32979460620.321 ri

6 light-day to ri = 39575352744.385 ri

7 light-day to ri = 46171244868.449 ri

8 light-day to ri = 52767136992.513 ri

9 light-day to ri = 59363029116.578 ri

10 light-day to ri = 65958921240.642 ri



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›› Definition: Light-day

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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