Full name: attoliter
Plural form: attoliters
Alternate spelling: attolitres
Category type: volume
Scale factor: 1.0E-21
The SI derived unit for volume is the cubic meter.
1 cubic meter is equal to 1.0E+21 attoliter.
Valid units must be of the volume type.
You can use this form to select from known units:
I'm feeling lucky, show me some random units
The SI prefix "atto" represents a factor of 10-18, or in exponential notation, 1E-18.
So 1 attoliter = 10-18 liter.