Nanograms Per Milliliter (ng/mL)

Some medical tests report results in nanograms (ng) per milliliter (mL).

  • A nanogram is one-billionth of a gram. A gram is about 1/30 of an ounce.
  • A milliliter measures fluid volume equal to 1/1000 liter. A liter is a little bigger than a quart.

Last Revised: May 10, 2013

Author: Healthwise Staff

Medical Review: Anne C. Poinier, MD - Internal Medicine & Thomas M. Bailey, MD - Family Medicine

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