## millimeter

**Millimeter** is a subdivision of the

**meter** unit. The

**milli** prefix stands for 0.001 therefore, 1 millimeter = 0.001 meter units.

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

1 millimeter is thousandth (1/1000) of a meter

The symbol for millimeter is

**mm**## 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**