About the Units
megameter (Mm)
A length unit equal to 10^6 meters.
light year (l. y.)
The distance light travels in one year, used for astronomical measurements.
Common Conversions
- 1 Mm = 1.05700095e-10 l. y.
- 9460730000.0 Mm = 1 l. y.
To convert from megameters to light years, multiply by 1.05700095e-10
1 Mm = 1.05700095e-10 l. y.
A length unit equal to 10^6 meters.
The distance light travels in one year, used for astronomical measurements.