About the Units
gigameter (Gm)
A length unit equal to 10^9 meters.
atomic unit of length (a.u. of length)
A reference unit of length used in quantum mechanics and atomic physics.
Common Conversions
- 1 Gm = 18897260000000000000.0 a.u. of length
- 5.2917723e-20 Gm = 1 a.u. of length