How many millimeters are there in a meter? Use this online tool to quickly **convert from meters to millimeters (m to mm)** and vice versa.

**Read: Convert From Millimeters to Meters**

## What is a Millimeter?

A millimeter is a unit of length in the metric system, representing one thousandth of a meter. The symbol for millimeter is “mm.” The metric system is a decimal-based system of measurement, and millimeters are commonly used for small measurements. There are 1,000 millimeters in a meter.

The millimeter is particularly useful in fields such as engineering, manufacturing, and science, where precision is crucial. For example, it is often used to measure the dimensions of small objects, thicknesses of materials, or specifications in technical drawings.

## What is a Meter?

A meter is defined as the base unit of length in the International System of Units (SI). Its official definition is based on the speed of light in a vacuum. In particular, one meter is the distance traveled by light in 1/299,792,458 seconds. This definition was adopted to ensure a highly accurate and universally consistent standard for length measurement.

The meter is subdivided into smaller units, such as centimeters (1 meter = 100 centimeters) and millimeters (1 meter = 1,000 millimeters), as well as larger units like kilometers (1 kilometer = 1,000 meters).

## How Many Millimeters in a Meter?

There are 1,000 millimeters in a meter. The prefix “milli-” in the metric system denotes a factor of 1/1,000. Therefore, you multiply the number of meters by 1,000 when converting from meters to millimeters.

**1 meter = 1,000 millimeters**

## Difference Between Meters and Millimeters

The main differences between meters and millimeters lie in their units of measurement, scale, and typical applications:

**Unit of Measurement:****Meters:**Meters are a basic unit of length in the metric system. One meter is equal to 1,000 millimeters.**Millimeters:**Millimeters are a smaller unit of length in the metric system. One millimeter is equal to 1/1,000 of a meter.

**Scale:****Meters:**Used for relatively large measurements, such as the dimensions of rooms, the length of a street, or the size of a large object.**Millimeters:**Applied to smaller measurements, particularly those requiring precision, such as the thickness of paper, the size of electronic components, or detailed measurements in manufacturing.

**Applications:****Meters:**Commonly used in various fields for measuring larger distances and dimensions. For example, in construction, engineering, and geographical measurements.**Millimeters:**Frequently used in contexts requiring fine precision, such as in scientific research, manufacturing, and detailed technical drawings.

**Conversion:**- There are 1,000 millimeters in one meter. To convert meters to millimeters, you multiply the number of meters by 1,000. To convert millimeters to meters, you divide the number of millimeters by 1,000.

## How to Convert Meters to Millimeters?

To convert meters to millimeters, you can use the conversion factor that 1 meter is equal to 1,000 millimeters. Here’s the formula for the conversion:

**Number of Millimeters = Number of Meters × 1,000**

**Task:**

For example, if you have 8 meters, you can convert it to millimeters as follows:

**Calculation:**

Number of Millimeters = 8 × 1,000 = 8,000 mm

Hence, 8 meters is equivalent to 8,000 millimeters.

## Meters to Millimeters (m to mm) Conversion Table

Below is the table for meters to millimeters conversion from 1 to 10, then 10 to 100 with intervals of 10, and 100 to 1000 with intervals of 100:

Meters (m) | Millimeters (mm) |
---|---|

1 | 1000 |

2 | 2000 |

3 | 3000 |

4 | 4000 |

5 | 5000 |

6 | 6000 |

7 | 7000 |

8 | 8000 |

9 | 9000 |

10 | 10000 |

20 | 20000 |

30 | 30000 |

40 | 40000 |

50 | 50000 |

60 | 60000 |

70 | 70000 |

80 | 80000 |

90 | 90000 |

100 | 100000 |

200 | 200000 |

300 | 300000 |

400 | 400000 |

500 | 500000 |

600 | 600000 |

700 | 700000 |

800 | 800000 |

900 | 900000 |

1000 | 1000000 |

This table provides the conversion from meters to millimeters for the specified intervals, and each value is simply the number of meters multiplied by 1000, since there are 1000 millimeters in a meter.

#### References:

https://www.nist.gov/pml/owm/nist-offers-us-interpretations-recent-si-metric-changes

https://www.ngs.noaa.gov/PUBS_LIB/FedRegister/FRdoc59-5442.pdf

#### Link to this Page

If you'd like to cite the online calculator on the page, you can use the following citation: Keith Woods, "*Meters to Millimeters – Convert m to mm Online*", Available at: https://robocalculator.com/convert/meters-to-millimeters/ URL, Accessed Date: [ April 16, 2024 ]