# Convert Millimeter to Meter

Please provide values below to convert millimeter [mm] to meter [m], or *vice versa*.

**Definition: Millimeter**

Millimeter (symbol: mm) is a length unit in the SI (International System of Units). A millimeter equals to one thousandth of a meter.

**Definition: Meter**

Meter, or metre (symbol: m), is the base length unit in the SI (International System of Units). The meter is defined as the distance travelled by light in 1/299,792,458 second. The meter was originally defined in 1793 as one ten-millionth of the distance from the equator to the North Pole. In 1889, it was redefined in terms of a prototype meter bar. In 1960, the meter was redefined in terms of a certain number of wavelengths of a certain emission line of krypton-86. In 1983, the current definition was adopted.

### Millimeter to Meter Conversion Table

Millimeter [mm] | Meter [m] |
---|---|

0.01 mm | 1.0E-5 m |

0.1 mm | 0.0001 m |

1 mm | 0.001 m |

2 mm | 0.002 m |

3 mm | 0.003 m |

5 mm | 0.005 m |

10 mm | 0.01 m |

20 mm | 0.02 m |

50 mm | 0.05 m |

100 mm | 0.1 m |

1000 mm | 1 m |

### How to Convert Millimeter to Meter

1 mm = 0.001 m

1 m = 1000 mm

**Example:** convert 15 mm to m:

15 mm = 15 × 0.001 m = 0.015 m