| Millimeters (mm) | Kilometers (km) |
|---|---|
| 1 | 0.000001 |
| 10 | 0.00001 |
| 100 | 0.0001 |
| 500 | 0.0005 |
| 1000 | 0.001 |
A kilometer is a large metric unit. 1 mm = 1×10-6 km. Just move the decimal 6 places left.
kilometers = millimeters ÷ 1,000,000millimeters = kilometers × 1,000,000
Convert 245,500 mm to km
Engineering tolerance (mm) to project scale (km), infrastructure planning, mapping large assemblies.
| mm | km |
|---|---|
| 25,000 | 0.025 |
| 120,000 | 0.12 |
| 2,000,000 | 2 |
| 7,500,000 | 7.5 |
Because km → m is ×1000 and m → mm is ×1000; combined factor 1,000,000.
Move decimal 6 places left (fill with leading zeros if needed).