Millimeters To Meters Conversion


1 mm = 0.001 m

Want to convert from meters to millimeters instead?

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The Ratio Between Millimeters and Meters

Visualising the relationship between millimeters and meters makes it easier to convert between the two. Millimeters are used to establish the baseline ruler and the meters ruler is sized in relation to that baseline.

conversion scale showing the ratio between millimeters and the equivalent number of meters

How to convert millimeters to meters (mm to m)

The formula for converting millimeters to meters is: m = mm ÷ 1000. To calculate the millimeter value in meters first substitute the millimeter value into the preceding formula, and then perform the calculation. If we wanted to calculate 1 millimeter in meters we follow these steps:

m = mm ÷ 1000

m = 1 ÷ 1000

m = 0.001

In other words, 1 millimeter is equal to 0.001 meters.

Example Conversion

Let's take a look at an example. The step-by-step process to convert 3 millimeters to meters is:

  1. Understand the conversion formula: m = mm ÷ 1000
  2. Substitute the required value. In this case we substitute 3 for mm so the formula becomes: m = 3 ÷ 1000
  3. Calculate the result using the provided values. In our example the result is: 3 ÷ 1000 = 0.003 m

In summary, 3 millimeters is equal to 0.003 meters.

Converting meters to millimeters

In order to convert the other way around i.e. meters to millimeters, you would use the following formula: mm = m × 1000. To convert meters to millimeters first substitute the meter value into the above formula, and then execute the calculation. If we wanted to calculate 1 meter in millimeters we follow these steps:

mm = m × 1000

1m = m × 1000

mm = 1000

Or in other words, 1 meter is equal to 1000 millimeters.

Conversion Unit Definitions

What is a Millimeter?

The millimeter is a unit of length in the metric system. It is defined as one-thousandth of a meter or 0.001 meters. The millimeter is primarily used to measure very small distances or dimensions.
Here are some additional details about the millimeter:
  1. Metric System: The millimeter is part of the metric system, which is widely used around the world. The metric system provides a decimal-based system of measurement that offers simplicity, consistency, and ease of conversion across different scientific, industrial, and everyday applications.

  2. Length Conversion: One millimeter is equal to 0.001 meters or 0.1 centimeters. Conversely, one meter is equal to 1,000 millimeters.

  3. Common Uses: The millimeter is often used in various fields and applications where precision is required. It is commonly used in fields such as engineering, manufacturing, construction, medicine, and technology. The millimeter is well-suited for measuring small objects, thicknesses, clearances, and other precise dimensions.

  4. Symbol: The symbol for millimeter is "mm". For example, a measurement of 5 millimeters would be written as 5 mm.

  5. Subdivisions: The millimeter itself is a small unit of measurement, but it can be further divided into even smaller units for more precise measurements. For example, one millimeter is equal to 1,000 micrometers (µm) or one million nanometers (nm).

  6. International Usage: The millimeter is widely accepted and used internationally as a standard unit of measurement. It is embraced in most countries that have adopted the metric system. Its universal usage promotes consistency and facilitates communication, collaboration, and compatibility across various fields and regions.

  7. Advantages: The millimeter offers a high level of accuracy and precision for measuring small lengths or dimensions. Its decimal nature allows for easy conversion to other metric units and simplifies calculations involving measurements.

What is a Meter?

The meter is a unit of length in the metric system, which is the most widely used system of measurement around the world. It is defined as the distance traveled by light in a vacuum during a specific time interval. The meter is the fundamental unit of length in the International System of Units (SI).
Here are some more details about the meter:
  1. International System of Units (SI): The meter is part of the metric system and is the base unit of length in the SI, which is an internationally recognized system of measurement. The SI provides a coherent and decimal-based system of measurement used in science, industry, and everyday life.

  2. Length Conversion: One meter is equal to 100 centimeters or 1,000 millimeters. It can also be divided into smaller units, such as decimeters, centimeters, millimeters, micrometers, and so on. Conversely, one centimeter is equal to 0.01 meters, and one millimeter is equal to 0.001 meters.

  3. Historical Development: The meter was originally defined in the late 18th century based on a fraction of the Earth's circumference. However, the modern definition of the meter, based on the speed of light, was established in 1983 and provides a more precise and consistent measurement standard.

  4. Common Uses: The meter is used to measure lengths, distances, heights, dimensions, and other quantities in various fields such as science, engineering, construction, manufacturing, and everyday life. It is a versatile unit that can be applied to a wide range of objects and distances.

  5. Symbol: The symbol for meter is "m". For example, a measurement of 5 meters would be written as 5 m.

  6. Subdivisions: The meter can be divided into smaller units for more precise measurements. Common subdivisions include centimeters (cm), millimeters (mm), micrometers (µm), and nanometers (nm).

  7. International Usage: The meter is the globally accepted standard unit of length used in scientific, technical, and international contexts. It provides a consistent and universally understood measurement system that promotes compatibility and ease of communication between different regions and disciplines.

Millimeters To Meters Conversion Table

Below is a lookup table showing common millimeters to meters conversion values.

Millimeter (mm)Meter (m)
1 mm0.001 m
2 mm0.002 m
3 mm0.003 m
4 mm0.004 m
5 mm0.005 m
6 mm0.006 m
7 mm0.007 m
8 mm0.008 m
9 mm0.009 m
10 mm0.01 m
11 mm0.011 m
12 mm0.012 m
13 mm0.013 m

Other Common Millimeter Conversions

Below is a table of common conversions from millimeters to other length units.

1 millimeter in inches0.0393700787401574803149606299213 in
1 millimeter in feet0.00328083989501312335958005249344 ft
1 millimeter in yards0.00109361329833770778652668416448 yd
1 millimeter in miles0.00000062137 mi
1 millimeter in centimeters0.1 cm
1 millimeter in kilometers0.000001 km