Symbols:H/Hectometre

Hectometre

 * $\mathrm {hm}$

The symbol for the hectometre is $\mathrm {hm}$:
 * $\mathrm h$ for hecto
 * $\mathrm m$ for metre.

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

The $.$ is part of the symbol.