About the Units
hectometer (hm)
A length unit equal to 100 meters.
atomic unit of length (a.u. of length)
A reference unit of length used in quantum mechanics and atomic physics.
Common Conversions
- 1 hm = 1889726100000.0 a.u. of length
- 5.2917723e-13 hm = 1 a.u. of length