Convert kilometres to metres
Enter a value in kilometres (km) to get metres (m). One kilometre is 1,000 metres; one metre is 0.001 kilometres.
How to use the Kilometre to metre
- Type the number of kilometres.
- Click Convert.
- Read the result in metres, plus the same value in every other length unit.
km to m formula
metres = kilometres × 1,000. To go the other way, kilometres = metres × 0.001 (see metres to kilometres).
Worked example
12 km × 1,000 = 12,000 m.
Kilometres to metres conversion table
| Kilometres | Metres |
|---|---|
| 0.1 km | 100 m |
| 0.5 km | 500 m |
| 1 km | 1,000 m |
| 2 km | 2,000 m |
| 3 km | 3,000 m |
| 5 km | 5,000 m |
| 10 km | 10,000 m |
| 20 km | 20,000 m |
| 25 km | 25,000 m |
| 50 km | 50,000 m |
| 100 km | 100,000 m |
| 250 km | 250,000 m |
| 500 km | 500,000 m |
| 1,000 km | 1,000,000 m |
About the kilometre
One thousand metres; the unit for road distances and running events in most of the world.
About the metre
The SI base unit of length, defined by the distance light travels in 1/299,792,458 of a second.
Related conversions
metres to kilometres · kilometres to miles · kilometres to nautical miles · any unit.
Frequently asked questions
How many metres in a kilometre?
1,000 metres.
How many kilometres in a metre?
0.001 kilometres.
Is the factor exact?
The factor 1,000 is derived from the units' exact definitions; only the display is rounded.
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Last updated 2026-09-23.