How to convert millimeters to kilometers
1 millimeter is equal to 0.000001 kilometers, and 1 kilometer is equal to 1,000,000 millimeters. To convert, multiply by the conversion factor:
kilometers = millimeters × 0.000001
kilometers = millimeters ÷ 1,000,000Example: convert 1 mm to km: 1 × 0.000001 = 0.000001 km.
Millimeter to Kilometer conversion table
| Millimeter (mm) | Kilometer (km) |
|---|---|
| 0.01 mm | 1 × 10⁻⁸ km |
| 0.1 mm | 1 × 10⁻⁷ km |
| 1 mm | 0.000001 km |
| 2 mm | 0.000002 km |
| 3 mm | 0.000003 km |
| 5 mm | 0.000005 km |
| 10 mm | 0.00001 km |
| 20 mm | 0.00002 km |
| 50 mm | 0.00005 km |
| 100 mm | 0.0001 km |
| 250 mm | 0.00025 km |
| 500 mm | 0.0005 km |
| 1,000 mm | 0.001 km |
About the millimeter
A millimeter is one thousandth of a meter. It's the standard unit in engineering drawings, manufacturing, rainfall and screen and paper sizes.
Symbol: mm · 1 mm = 0.001 m · Category: Metric (SI)
About the kilometer
A kilometer is 1,000 meters. It's the standard unit for distances between places, road signs and running races in most countries.
Symbol: km · 1 km = 1,000 m · Category: Metric (SI)