kilometre to millimetre
1 kilometre equals 1000000 millimetre, and 1 millimetre equals 0.000001 kilometre.
Conversion formula
mm = km × 1000000
To convert kilometre to millimetre, multiply the value by 1000000.
Conversion table
| 1 km | 1000000 mm |
|---|---|
| 2 km | 2000000 mm |
| 5 km | 5000000 mm |
| 10 km | 10000000 mm |
| 25 km | 25000000 mm |
| 50 km | 50000000 mm |
| 100 km | 100000000 mm |
| 500 km | 500000000 mm |
| 1000 km | 1000000000 mm |
Reverse conversion table
| 1 mm | 0.000001 km |
|---|---|
| 2 mm | 0.000002 km |
| 5 mm | 0.000005 km |
| 10 mm | 0.00001 km |
| 25 mm | 0.000025 km |
| 50 mm | 0.00005 km |
| 100 mm | 0.0001 km |
| 500 mm | 0.0005 km |
| 1000 mm | 0.001 km |
Key facts
| 1 kilometre | 1000000 millimetre |
|---|---|
| 1 millimetre | 0.000001 kilometre |
Frequently asked questions
How do I convert kilometre to millimetre?
Multiply the kilometre value by 1000000 to get millimetre. For example, 10 kilometre = 10000000 millimetre.
How do I convert millimetre back to kilometre?
Divide the millimetre value by 1000000 (equivalently, multiply by 0.000001) to get kilometre.
Reverse conversion
Printable A4 conversion cheat sheet — see the Downloads page