Picograms per milliliter (pg/mL)

Some medical tests report results in picograms per milliliter (pg/mL).

  • A picogram is one-trillionth of a gram. A gram is about 1/30 of an ounce.
  • A milliliter measures fluid volume equal to one-thousandth of a liter. A liter is a little bigger than a quart.