Length Converter
Metric and imperial distances.
Conversion
Millimeters to Kilometers Converter
1 millimeter = 0.000001 km. Enter any value to convert millimeters (mm) to kilometers (km), or use the table below for common values.
Formula
km = mm × 0.000001
Example: 10 mm = 0.00001 km. To convert the other way, use mm = km × 1,000,000.
Millimeters to Kilometers conversion table
| Millimeters (mm) | Kilometers (km) |
|---|---|
| 1 mm | 0.000001 km |
| 2 mm | 0.000002 km |
| 3 mm | 0.000003 km |
| 4 mm | 0.000004 km |
| 5 mm | 0.000005 km |
| 6 mm | 0.000006 km |
| 7 mm | 0.000007 km |
| 8 mm | 0.000008 km |
| 9 mm | 0.000009 km |
| 10 mm | 0.00001 km |
| 15 mm | 0.000015 km |
| 20 mm | 0.00002 km |
| 25 mm | 0.000025 km |
| 30 mm | 0.00003 km |
| 40 mm | 0.00004 km |
| 50 mm | 0.00005 km |
| 75 mm | 0.000075 km |
| 100 mm | 0.0001 km |
| 250 mm | 0.00025 km |
| 500 mm | 0.0005 km |
| 1,000 mm | 0.001 km |
About millimeters and kilometers
The millimeter is one thousandth of a meter. It is the standard unit on engineering drawings, for rainfall, and for screen, sheet and tool sizes.
The kilometer is 1,000 meters. It is the standard unit for road distances and speed limits in most of the world.
Other Length conversions
Kilometers → MillimetersReverse conversionMillimeters → Centimetersmm → cmMillimeters → Metersmm → mMillimeters → Inchesmm → inMillimeters → Feetmm → ftMillimeters → Yardsmm → ydMillimeters → Milesmm → miMillimeters → Nautical Milesmm → nmiCentimeters → Kilometerscm → kmMeters → Kilometersm → kmInches → Kilometersin → kmFeet → Kilometersft → kmYards → Kilometersyd → kmMiles → Kilometersmi → kmNautical Miles → Kilometersnmi → km
Frequently asked questions
How do I convert millimeters to kilometers?
Use the formula km = mm × 0.000001. For example, 10 mm = 0.00001 km.
What is 1 millimeter in kilometers?
1 mm = 0.000001 km.
How do I convert kilometers back to millimeters?
Use mm = km × 1,000,000. 1 km = 1,000,000 mm.