## hectometer

**Hectometer** is a multiple of the

**meter** unit. The

**hecto** prefix stands for 100 therefore, 1 hectometer = 100 meter units.

**Meter** is a unit of measurement of length. The definition for meter is the following:

1 metre is the distance light travels in 1/299 792 458 of a second in vacuum.

The symbol for hectometer is

**hm**## decimeter

**Decimeter** is a subdivision of the

**meter** unit. The

**deci** prefix stands for 0.1 therefore, 1 decimeter = 0.1 meter units.

**Meter** is a unit of measurement of length. The definition for meter is the following:

1 decimeter is one tenth (1/10, 0.1) of a meter

The symbol for decimeter is

**dm**