**Full name:** microgram

**Plural form:** micrograms

**Symbol:** ug

**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 ug.

Valid units must be of the **weight** type.

You can use this form to select from known units:

I'm feeling lucky, show me some random units

The SI prefix "micro" represents a factor of
10^{-6}, or in exponential notation, 1E-6.

So 1 microgram = 10^{-6} grams-force.

ug to unze [Germany]

ug to kiloton [long, UK]

ug to teragram

ug to carga [Mexico]

ug to momme [Japan]

ug to scruple [troy]

ug to last [Germany]

ug to catti [Japan]

ug to megagram