Kilometers to Millimeters
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km
mm
Quick reference
| Kilometers (km) | Millimeters (mm) |
|---|
Formula
Millimeters = kilometers × 1000000
Multiply the kilometers value by 1000000 to get millimeters. To reverse — divide millimeters by 1000000 to get kilometers.
About this conversion
The kilometer (km) is a metric unit equal to 1,000 meters, used worldwide for road distances. Learn more →
The millimeter (mm) is a metric unit equal to one thousandth of a meter, used in engineering and manufacturing. Learn more →
Source: NIST International Reference