About the Units
zettameter (Zm)
A massive length unit equal to 10^21 meters.
light year (l. y.)
The distance light travels in one year, used for astronomical measurements.
Common Conversions
- 1 Zm = 105700.09 l. y.
- 0.000009460729 Zm = 1 l. y.
Convert from zettameters to light years
Conversion Information
To convert from zettameters to light years, multiply by 105700.09
1 Zm = 105700.09 l. y.