About the Units
light year (l. y.)
The distance light travels in one year, used for astronomical measurements.
yoctometer (ym)
The smallest theoretically conceived length unit.
Common Conversions
- 1 l. y. = 3.4028237e38 ym
- 1.057e-40 l. y. = 1 ym
Convert from light years to yoctometers
Conversion Information
To convert from light years to yoctometers, multiply by 3.4028237e38
1 l. y. = 3.4028237e38 ym