Full name: gigametre
Plural form: gigametres
Symbol: Gm
Alternate spelling: gigameters
Category type: length
Scale factor: 1000000000
The SI base unit for length is the metre.
1 metre is equal to 1.0E-9 gigam.
Valid units must be of the length type.
You can use this form to select from known units:
The SI prefix "giga" represents a factor of 109, or in exponential notation, 1E9.
So 1 gigametre = 109 metre.