Nanograms per milliliter per hour (ng/mL/hr)

Some medical tests give results in nanograms per milliliter per hour.

  • 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.
  • An hour is the time period that the amount of nanograms per milliliter is measured for.

Last Updated: June 9, 2009

Author: Maria Essig

Medical Review: E. Gregory Thompson, MD - Internal Medicine & Anne C. Poinier, MD - Internal Medicine

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