Full name: attometre
Plural form: attometers
Alternate spelling: attometres
Category type: length
Scale factor: 1.0E-18
The SI base unit for length is the metre.
1 metre is equal to 1.0E+18 attometer.
Valid units must be of the length type.
You can use this form to select from known units:
The SI prefix "atto" represents a factor of 10-18, or in exponential notation, 1E-18.
So 1 attometre = 10-18 metre.