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.
|Primary Medical Reviewer||Anne C. Poinier, MD - Internal Medicine|
|Specialist Medical Reviewer||Thomas M. Bailey, MD - Family Medicine|
|Last Revised||May 6, 2011|
WebMD Medical Reference from Healthwise