›› Convert light day to petametre


light-day
petameter


›› More information from the unit converter

How many light-day in 1 petameter? The answer is 38.606955462749.
We assume you are converting between light day and petametre.
You can view more details on each measurement unit:
light-day or petameter
The SI base unit for length is the metre.
1 metre is equal to 3.8606955462749E-14 light-day, or 1.0E-15 petameter.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between light days and petameters.
Type in your own numbers in the form to convert the units!


›› Quick conversion chart of light-day to petameter

1 light-day to petameter = 0.0259 petameter

10 light-day to petameter = 0.25902 petameter

20 light-day to petameter = 0.51804 petameter

30 light-day to petameter = 0.77706 petameter

40 light-day to petameter = 1.03608 petameter

50 light-day to petameter = 1.2951 petameter

100 light-day to petameter = 2.59021 petameter

200 light-day to petameter = 5.18041 petameter



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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.


›› Definition: Petameter

A petametre (American spelling: petameter, symbol: Pm) is a unit of length equal to 10^15 metres.


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