About the Units
atomic unit of length (a.u. of length)
A reference unit of length used in quantum mechanics and atomic physics.
yoctometer (ym)
The smallest theoretically conceived length unit.
Common Conversions
- 1 a.u. of length = 52917720000000.0 ym
- 1.8897261e-14 a.u. of length = 1 ym