About the Units
gigameter (Gm)
A length unit equal to 10^9 meters.
attometer (am)
An exceptionally small length unit at the subatomic scale.
Common Conversions
- 1 Gm = 1e27 am
- 1e-27 Gm = 1 am
Convert from gigameters to attometers
Conversion Information
To convert from gigameters to attometers, multiply by 1e27
1 Gm = 1e27 am