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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.

Author Maria G. Essig, MS, ELS
Editor Susan Van Houten, RN, BSN, MBA
Associate Editor Tracy Landauer
Primary Medical Reviewer Patrice Burgess, MD - Family Medicine
Primary Medical Reviewer Adam Husney, MD - Family Medicine
Last Updated July 9, 2007

WebMD Medical Reference from Healthwise

Last Updated: July 09, 2007
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