Full name: microgram
Plural form: micrograms
Alternate spelling: mcg
Category type: weight
Scale factor: 1.0E-9
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 1000000000 mcg.
Valid units must be of the weight type.
You can use this form to select from known units:
The SI prefix "micro" represents a factor of 10-6, or in exponential notation, 1E-6.
So 1 microgram = 10-6 grams-force.