The millimeter is a unit of length in the metric system, equal to one thousandth of a meter, which is the SI base unit of length. There are 25.4 mm in one inch.
one millimeter is the distance travelled by a ray of electromagnetic (EM) energy through a vacuum in a time span of 3.33564095 x 10-12 seconds.
mm
| Standard Units | |
|---|---|
| Centimeters (cm) | {{cm}} |
| Decimeters (mm) | {{dm}} |
| Feet (ft) | {{ft}} |
| Inches (in) | {{inc}} |
| Kilometers (km) | {{km}} |
| Meter (m) | {{m}} |
| Miles (mi) | {{mi}} |
| Yards (yd) | {{yd}} |
| Other Units | |
| Chains (ch) | {{ch}} |
| Furlongs (fur) | {{fur}} |
| International Nautical Miles(nmi) | {{nmi}} |
| Lightyears (ly) | {{ly}} |
| Parsecs (pc) | {{pc}} |
| UK Nautical Miles(UKnmi) | {{UKnmi}} |