Unit Converter › Length › km → mm
Length · scale · base metre
km to mm
1 kilometre (km) = 1,000,000 mm. Multiply by 1,000,000. One kilometre (km) is 1,000,000 mm.
Convert
scale · base metre
—
| Every unit at once | Value | Unit |
|---|
km to mm table
| kilometre (km) | mm | Unit |
|---|---|---|
| 1 km | 1,000,000 | mm |
| 2 km | 2,000,000 | mm |
| 3 km | 3,000,000 | mm |
| 5 km | 5,000,000 | mm |
| 10 km | 10,000,000 | mm |
| 20 km | 20,000,000 | mm |
| 25 km | 25,000,000 | mm |
| 50 km | 50,000,000 | mm |
| 100 km | 100,000,000 | mm |
| 500 km | 500,000,000 | mm |
| 1,000 km | 1,000,000,000 | mm |
exact by definition
The inch has been exactly 25.4 mm since 1959, which makes the foot, yard and mile exact too.