How many millisiriometre in 1 light-year? The answer is 63.241077380185. We assume you are converting between millisiriometre and light year. You can view more details on each measurement unit: millisiriometre or light-year The SI base unit for length is the metre. 1 metre is equal to 6.684587153547E-15 millisiriometre, or 1.0570008340246E-16 light-year. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between millisiriometers and light years. Type in your own numbers in the form to convert the units!
1 millisiriometre to light-year = 0.01581 light-year
10 millisiriometre to light-year = 0.15813 light-year
20 millisiriometre to light-year = 0.31625 light-year
30 millisiriometre to light-year = 0.47438 light-year
40 millisiriometre to light-year = 0.6325 light-year
50 millisiriometre to light-year = 0.79063 light-year
100 millisiriometre to light-year = 1.58125 light-year
200 millisiriometre to light-year = 3.1625 light-year
You can do the reverse unit conversion from light-year to millisiriometre, or enter any two units below:
The SI prefix "milli" represents a factor of 10-3, or in exponential notation, 1E-3.
So 1 millisiriometre = 10-3 siriometre.
A light year, abbreviated ly, is the distance light travels in one year: roughly 9.46 × 1012 kilometres (9.46 petametres, or about 5.88 × 1012 (nearly six trillion) miles). More specifically, a light year is defined as the distance that a photon would travel, in free space and infinitely far away from any gravitational or magnetic fields, in one Julian year (365.25 days of 86400 seconds each).
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