›› Convert light year to megalight year


light-year
megalight-year


›› More information from the unit converter

How many light-year in 1 megalight-year? The answer is 999315.53730322.
We assume you are converting between light year and megalight year.
You can view more details on each measurement unit:
light-year or megalight-year
The SI base unit for length is the metre.
1 metre is equal to 1.0570008340246E-16 light-year, or 1.0577248071986E-22 megalight-year.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between light years and megalight years.
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›› Common length conversions

light-year to ridge
light-year to roede
light-year to tenthmeter
light-year to fod
light-year to em
light-year to range
light-year to gigameter
light-year to twain
light-year to klafter
light-year to nail


›› Definition: Light-year

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).


›› Definition: Megalight-year

One megalight-year, abbreviated "Mly", is one million light-years, or 306,601 parsecs. Megalight-years are typically used to measure distances between neighboring galaxies and galaxy clusters.


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