Symbols:K/Kilometre

Kilometre

$\mathrm {km}$

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

$\mathrm k$ for kilo

$\mathrm m$ for metre.

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

Also defined as

Some older sources give it as $\mathrm {Km.}$

The $.$ is part of the symbol.

Sources

• 1938: A. Geary, H.V. Lowry and H.A. Hayden: Mathematics for Technical Students, Part One ... (previous) ... (next): Arithmetic: Chapter $\text I$: Decimals: The Metric System
• 1966: Isaac Asimov: Understanding Physics ... (previous) ... (next): $\text {I}$: Motion, Sound and Heat: Chapter $2$: Falling Bodies: Free Fall