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    Millimeter (mm)

    Millimeter (mm)

    A millimeter measures length that is equal to 1/10 of a centimeter. It also equals 0.04 inch. There are 25.4 millimeters in one inch.

    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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