## metre

**Metre** is a unit of measurement of length. The definition for metre is the following:

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

The symbol for metre is

**m**## 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**