Kilometers to Millimeters
Type a value in km and the mm equivalent appears instantly.
How to convert km to mm
Multiply the km value by 1000000.
1 km = 1000000 mm
Quick conversion table
| km | mm |
|---|---|
| 1 | 1000000 |
| 2 | 2000000 |
| 5 | 5000000 |
| 10 | 10000000 |
| 20 | 20000000 |
| 50 | 50000000 |
| 100 | 100000000 |
| 500 | 500000000 |
| 1000 | 1000000000 |
About the units
Kilometers (km): One thousand meters, the standard for road distances everywhere except the US and UK.
Millimeters (mm): One thousandth of a meter, the everyday unit for fine measurements in engineering and manufacturing.