Microgram (µg)

Mass

2.2×10⁻⁹ lb

Microgram (µg) is a unit of mass derived of kilogram (kg), the International System of Units (SI) base unit of mass. One micgrogram equals 0,000001 gram, or one millionth of a gram.

Metric

Avoirdupois (U.S.)

Troy

Japanese

Chinese

Old Swedish