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