The Millimeter (mm) is perfect for very small measurements like the thickness of a credit card (0.76 mm), the diameter of a pencil lead (0.5-0.7 mm), or the size of small hardware components. Commonly used in engineering, jewelry design and manufacturing. The Kilometer (km) is used for longer distances like city-to-city travel (e.g., 50 km), marathon races (42.195 km), or highway spans (e.g., 100 km). It's also used in aviation and sports like cycling.
To convert between Millimeter (mm) and Kilometer (km), use the following formulas:
1 Millimeter (mm) = 0.000001 Kilometer (km)
1 Kilometer (km) = 1000000 Millimeter (mm)
1 mm = 1 * 0.000001 km = 0.000001 km
8 mm = 8 * 0.000001 km = 0.000008 km
30 mm = 30 * 0.000001 km = 0.000029999999999999997 km
90 mm = 90 * 0.000001 km = 0.00008999999999999999 km
120 mm = 120 * 0.000001 km = 0.00011999999999999999 km
245 mm = 245 * 0.000001 km = 0.000245 km
559 mm = 559 * 0.000001 km = 0.0005589999999999999 km
| Millimeter (mm) | Kilometer (km) |
|---|---|
| 1 mm | 0.000001 km |
| 2 mm | 0.000002 km |
| 5 mm | 0.0000049999999999999996 km |
| 10 mm | 0.000009999999999999999 km |
| 20 mm | 0.000019999999999999998 km |
| 50 mm | 0.000049999999999999996 km |
| 100 mm | 0.00009999999999999999 km |
| 200 mm | 0.00019999999999999998 km |
| 500 mm | 0.0005 km |
| 1000 mm | 0.001 km |
| 2000 mm | 0.002 km |