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
petameter (Pm)
A large length unit equal to 10^15 meters.
Common Conversions
- 1 a₀ = 5.291772e-26 Pm
- 1.8897261e25 a₀ = 1 Pm