Millimeter (mm)
Current as of: March 28, 2019
Author: Healthwise Staff
Medical Review:Anne C. Poinier, MD – Internal Medicine & Adam Husney, MD – Family Medicine & Martin J. Gabica, MD – Family Medicine
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.