Millimeters to Kilometers
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mm
km
Quick reference
| Millimeters (mm) | Kilometers (km) |
|---|
Formula
Kilometers = millimeters ÷ 1000000
Multiply the millimeters value by 0.000001 to get kilometers. To reverse — divide kilometers by 0.000001 to get millimeters.
About this conversion
The millimeter (mm) is a metric unit equal to one thousandth of a meter, used in engineering and manufacturing. Learn more →
The kilometer (km) is a metric unit equal to 1,000 meters, used worldwide for road distances. Learn more →
Source: NIST International Reference