Full name: zettametre
Plural form: zettameters
Symbol: Zm
Alternate spelling: zettametres
Category type: length
Scale factor: 1.0E+21
The SI base unit for length is the metre.
1 metre is equal to 1.0E-21 zettametre.
Valid units must be of the length type.
You can use this form to select from known units:
The SI prefix "zetta" represents a factor of 1021, or in exponential notation, 1E21.
So 1 zettametre = 1021 metre.