#### Millimeters to Inches | mm to inches conversion

mm * . Show working. Show result in exponential format. More information: Millimeters. More information: Inches. Millimeters. The millimetre is a unit of length in the metric system, equivalent to one thouh of a metre (the SI base unit of length). One meter was defined in 1983 by the 17th conference of weights and measures as "the length of the path travelled by light in vacuum ...