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The millimeter (symbol = mm), or millimetre (British spelling) is a unit of length in the metric system, equal to one thousandth of a meter, which is the SI base unit ..more definition+
The barleycorn is a small English unit of length equal to 1/3 of an inch (i.e., close to 0.8467 cm) still used in Great Britain and Ireland as a determiner of shoe sizes.
In relation to the base unit of [length] => (meters), 1 Millimeters (mm) is equal to 0.001 meters, while 1 Barleycorns (bcorn) = 0.0084666666666667 meters.| 3 Millimeters | to common length units |
|---|---|
| 3 mm | = 0.003 meters (m) |
| 3 mm | = 3.0E-6 kilometers (km) |
| 3 mm | = 0.3 centimeters (cm) |
| 3 mm | = 0.0098425196850394 feet (ft) |
| 3 mm | = 0.11811023622047 inches (in) |
| 3 mm | = 0.0032808398950131 yards (yd) |
| 3 mm | = 1.864113576712E-6 miles (mi) |
| 3 mm | = 3.170912165733E-19 light years (ly) |
| 3 mm | = 11.338584105648 pixels (PX) |
| 3 mm | = 1.875E+32 planck length (pl) |