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 the symbol for the kilometre as $\mathrm {Km.}$

The $.$ is part of the symbol.

Sources

• 1966: Isaac Asimov: Understanding Physics ... (previous) ... (next): $\text {I}$: Motion, Sound and Heat: Chapter $2$: Falling Bodies: Free Fall
• 1968: Murray R. Spiegel: Mathematical Handbook of Formulas and Tables ... (previous) ... (next): $\S 41$: Conversion Factors: Length
• 2009: Murray R. Spiegel, Seymour Lipschutz and John Liu: Mathematical Handbook of Formulas and Tables (3rd ed.) ... (previous) ... (next): $\S 6$: Conversion Factors: Length