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
millimeter (mm)
A tiny length unit equal to 0.001 meters, used in precision engineering.
Common Conversions
- 1 a₀ = 5.291772e-8 mm
- 18897262.0 a₀ = 1 mm