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.