# Definition:Metric System/Length/Kilometre

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## Kilometre

The kilometre is a metric unit of length.

 $\displaystyle$  $\displaystyle 1$ kilometre $\displaystyle$ $=$ $\displaystyle 1000$ metres $\displaystyle$ $=$ $\displaystyle 100 \, 000$ centimetres $\displaystyle$ $=$ $\displaystyle 10^6$ millimetres

### Symbol

$\mathrm {km}$

The symbol for the kilometre is $\mathrm {km}$:

$\mathrm k$ for kilo
$\mathrm m$ for metre.

Its $\LaTeX$ code is \mathrm {km} .

## Linguistic Note

It is commonplace to pronounce the word kilometre with the stress on the second syllable: kil-o-me-ter.

However, the pronunciation kil-o-me-ter is also heard.