Kilometres to Metres (km to m)
1 km = 1,000 m. Multiply kilometres by 1,000; the box below does it both ways.
metres
1 km = 1,000 m · metres to kilometres page
How to convert kilometres to metres
- Take the value in kilometres.
- Multiply by 1,000 (because 1 km = 1,000 m).
- Example: 1 km × 1,000 = 1,000 m.
- Going back: divide by 1,000, or multiply by 0.001.
Where this comes up
Multiply by 1000. 1.5 km is 1500 m, 0.4 km is 400 m, one lap of a standard track.
| km | m |
|---|---|
| 0.1 | 100 |
| 0.25 | 250 |
| 0.5 | 500 |
| 1 | 1,000 |
| 1.5 | 1,500 |
| 2 | 2,000 |
| 2.5 | 2,500 |
| 3 | 3,000 |
| 5 | 5,000 |
| 10 | 10,000 |
| 21.1 | 21,100 |
| 42.2 | 42,200 |
| 100 | 1,00,000 |
| 1,000 | 10,00,000 |
Questions people ask
How many metres are in 1 kilometre?
1 km = 1,000 m. To convert, multiply the kilometre value by 1,000.
What is 3 km in m?
3 km is 3,000 m.
How do I convert metres back to kilometres?
Divide by 1,000, or multiply by 0.001: 1 m = 0.001 km.
More length conversions
Metres to Kilometres (m to km) · m to ft · ft to m · cm to in · in to cm · cm to ft · ft to cm · mm to in · in to mm · ft to in · in to ft · all converters
Factors are the exact international definitions; last checked 2026-10-10.