Full name: megalight year
Plural form: megalight years
Alternate spelling: megalight-years
Category type: length
Scale factor: 9.454254955488E+21
The SI base unit for length is the metre.
1 metre is equal to 1.0577248071986E-22 megalight-year.
Valid units must be of the length type.
You can use this form to select from known units:
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.