Millimeters To Miles Conversion


1 mm = 0.00000062137 mi

Want to convert from miles to millimeters instead?

Disclaimer: We've spent hundreds of hours building and testing our calculators and conversion tools. However, we cannot be held liable for any damages or losses (monetary or otherwise) arising out of or in connection with their use. Full disclaimer.

The Ratio Between Millimeters and Miles

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

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

How to convert millimeters to miles (mm to mi)

The formula for converting millimeters to miles is: mi = mm × 6.2137e-7. To calculate the millimeter value in miles first substitute the millimeter value into the preceding formula, and then perform the calculation. If we wanted to calculate 1 millimeter in miles we follow these steps:

mi = mm × 6.2137e-7

mi = 1 × 6.2137e-7

mi = 0.00000062137

In other words, 1 millimeter is equal to 0.00000062137 miles.

Example Conversion

Let's take a look at an example. The step-by-step process to convert 9 millimeters to miles is:

  1. Understand the conversion formula: mi = mm × 6.2137e-7
  2. Substitute the required value. In this case we substitute 9 for mm so the formula becomes: mi = 9 × 6.2137e-7
  3. Calculate the result using the provided values. In our example the result is: 9 × 6.2137e-7 = 0.00000559233 mi

In summary, 9 millimeters is equal to 0.00000559233 miles.

Converting miles to millimeters

In order to convert the other way around i.e. miles to millimeters, you would use the following formula: mm = mi × 1.609e+6. To convert miles to millimeters first substitute the mile value into the above formula, and then execute the calculation. If we wanted to calculate 1 mile in millimeters we follow these steps:

mm = mi × 1.609e+6

mm = 1 × 1.609e+6

mm = 1609000

Or in other words, 1 mile is equal to 1609000 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 Mile?

The mile is a unit of length primarily used in the United States and a few other countries that have historical ties to the British Empire. It is defined as 5,280 feet or approximately 1.609 kilometers. The mile is commonly used to measure longer distances, especially in transportation, sports, and everyday contexts in countries that have not fully adopted the metric system.
Here are some more details about the mile:
  1. Historical Context: The mile has a long history and can be traced back to ancient Roman measurements. It was standardized and defined differently over time, but the modern definition was established in the 16th century.

  2. Imperial and US Customary Systems: The mile is a fundamental unit of length in both the Imperial system (used in the UK) and the United States Customary system. These systems of measurement are closely related and share many common units. The mile is divided into feet, and each foot is further divided into inches.

  3. Length Conversion: As mentioned earlier, one mile is equal to 5,280 feet or approximately 1.609 kilometers. Conversely, one foot is equal to 1/5,280th of a mile, and one inch is equal to 1/63,360th of a mile.

  4. Common Uses: The mile is often used to measure longer distances, especially in transportation, sports events (such as marathons), and everyday contexts in countries that have not fully transitioned to the metric system. It is commonly employed in fields such as road signs, aviation, maritime navigation, and athletic competitions.

  5. Symbol: The symbol for mile is "mi". For example, a measurement of 5 miles would be written as 5 mi.

  6. Subdivisions: The mile can be divided into smaller units to measure finer lengths. The most common subdivision used in practical contexts is the yard, where one mile is equal to 1,760 yards. In some specific applications, even smaller subdivisions like the furlong or rod may be used.

  7. International Usage: While the metric system (based on the meter) is the predominant system of measurement used worldwide, the mile is still used in certain countries, especially the United States and the United Kingdom, in everyday contexts. However, in scientific, technical, and international contexts, the kilometer is typically used for consistency and compatibility.

Millimeters To Miles Conversion Table

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

Millimeter (mm)Mile (mi)
1 mm0.00000062137 mi
2 mm0.00000124274 mi
3 mm0.00000186411 mi
4 mm0.00000248548 mi
5 mm0.00000310685 mi
6 mm0.00000372822 mi
7 mm0.00000434959 mi
8 mm0.00000497096 mi
9 mm0.00000559233 mi
10 mm0.0000062137 mi
11 mm0.00000683507 mi
12 mm0.00000745644 mi
13 mm0.00000807781 mi

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 centimeters0.1 cm
1 millimeter in meters0.001 m
1 millimeter in kilometers0.000001 km