10-6 gram, or 2.527 x 10-8 ounce (avoirdupoir).
A metric unit that is equivalent to one-millionth of a gram.
A unit of measurement of weight equal to one millionth of a gram.
One millionth part of a gram, or one thousandth part of milligram, designated by the symbol μg.
A measure of weight; 1/1000 of a milligram.
Metric unit of weight measure equal to one- millionth of a gram.
Unit of measurement equaling one-millionth of a gram.