Full name: zeptogram
Plural form: zeptograms
Symbol: zg
Category type: weight
Scale factor: 1.0E-24
The SI base unit for mass is the kilogram.
The SI derived unit for weight or force is the newton.
1 kilogram is equal to 1.0E+24 zeptogram.
Valid units must be of the weight type.
You can use this form to select from known units:
The SI prefix "zepto" represents a factor of 10-21, or in exponential notation, 1E-21.
So 1 zeptogram = 10-21 grams-force.