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Milligrams per liter (mg/L)

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Milligrams per liter (mg/L)

Some medical tests report results in milligrams per liter (mg/L).

  • A milligram is one-thousandth of a gram. A gram is about 1/30 of an ounce.
  • A liter is a little bigger than a quart of fluid.

Current as of: May 1, 2026

Author: WebMD Ignite Staff

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This information does not replace the advice of a doctor. WebMD Ignite, disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the Terms of Use. Learn how we develop our content.