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
astronomical unit (ua)
The average distance between the Earth and the Sun, used in astronomical measurements.
Common Conversions
- 1 a₀ = 3.5373306e-22 ua
- 2.8269906e21 a₀ = 1 ua