About the Units
bohr radius (a₀)
A unit of length used to describe the size of atoms, based on quantum mechanics.
Learn more about bohr radiuses
light year (l. y.)
The distance light travels in one year, used for astronomical measurements.
Common Conversions
- 1 a₀ = 5.5934082e-27 l. y.
- 1.7878188e26 a₀ = 1 l. y.