Convert Millimetre to Kilometre
Instant length conversion, with the formula and a full reference table.
1 mm
0.000001 km
1 km = 1,000,000 mm
How to convert Millimetre to Kilometre
Multiply the number of millimetre by 0.000001.
km = mm × 0.000001
To go the other way, divide instead — or multiply by 1,000,000.
Worked example
To convert 25 mm: 25 × 0.000001 = 0.000025 km.
Millimetre to Kilometre conversion table
| Millimetre (mm) | Kilometre (km) |
|---|---|
| 1 | 0.000001 |
| 2 | 0.000002 |
| 3 | 0.000003 |
| 5 | 0.000005 |
| 10 | 0.00001 |
| 20 | 0.00002 |
| 25 | 0.000025 |
| 50 | 0.00005 |
| 100 | 0.0001 |
| 250 | 0.00025 |
| 500 | 0.0005 |
| 1,000 | 0.001 |