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

Healthwise
By Jeannette Curtis; Caroline Rea, RN, BS, MS

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.
Author:Jeannette Curtis
Caroline Rea, RN, BS, MS
Medical Review:
Last Updated: 05/25/2007