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Mile

The mile is a unit of length used mainly in the United States, the United Kingdom, and a few other countries, and the common statute mile equals 5,280 feet, or exactly 1,609.344 metres.

By Ethan Anderson| Reviewed by Olivia Bennett, Standards & Fact-Checking Lead| Updated July 26, 2026|2 min read| Fact-checked

The mile is a unit of length used mainly in the United States, the United Kingdom, and a few other countries, and the common statute mile equals 5,280 feet, or exactly 1,609.344 metres. The word also refers to a long distance informally, and in athletics it can mean a race of one mile.

Definition and modern use

A mile is a unit of length commonly used for distances on land, especially in the United States and the United Kingdom. In many other countries, the kilometre is the standard everyday distance unit.

Historical origin

Britannica says the mile originated from the Roman mille passus, or “thousand paces,” which was based on 5,000 Roman feet. Over time, different kinds of miles developed, including the statute mile and the nautical mile.

Conversions

The standard statute mile is exactly 1,609.344 metres after international standardisation in 1959. It is also equal to 5,280 feet, 1,760 yards, or 63,360 inches.

Other meanings

Dictionary sources note that “mile” can be used informally to mean a great distance or a large amount. In sport, it can refer to a race of one mile.

Key facts

  • The mile is a traditional unit of distance in the imperial and U.S. customary systems.
  • One mile equals 5,280 feet, 1,760 yards, or 1,609.344 metres.
  • In everyday English, “mile” can also mean a very large distance.
  • The term can also mean a one-mile footrace in athletics.
  • The nautical mile is a different unit from the statute mile and is defined separately.
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Canadian context

Canada largely uses the metric system, so kilometres are standard in everyday road and distance measurements, though miles may still appear in some contexts, especially older references, cross-border travel, or historical material.[3]

Frequently asked questions

What is a mile?
A mile is a unit of length used for measuring distance, especially in English-speaking countries.
How long is one mile?
One statute mile is exactly 1,609.344 metres, or 5,280 feet.
What is the symbol for mile?
The common abbreviation is mi.
Is a nautical mile the same as a mile?
No. A nautical mile is a different unit used in navigation and is defined separately from the statute mile.
Why is it called a mile?
The word comes from the Latin mille passus, meaning “thousand paces.”
Does mile have non-literal meanings?
Yes. It can mean a very large distance or, in informal speech, a lot or very much.

References

  1. Merriam-Websterhttps://www.merriam-webster.com/dictionary/mile
    Supports: Definition of mile, 5,280 feet, nautical mile sense, informal sense of great distance, race of a mile
  2. Oxford Learner's Dictionarieshttps://www.oxfordlearnersdictionaries.com/us/definition/english/mile
    Supports: Mile as a unit equal to 1,609 metres or 1,760 yards and informal long-distance sense
  3. Vocabulary.comhttps://www.vocabulary.com/dictionary/mile
    Supports: Statute mile conversions, nautical mile distinction, informal usage, and international mile standardisation context
  4. Dictionary.comhttps://www.dictionary.com/browse/mile
    Supports: Statute mile definition, 5,280 feet, 1,760 yards, and approximate kilometre equivalent
  5. Britannicahttps://www.britannica.com/science/mile
    Supports: General definition of mile and origin from Roman mille passus
  6. Britannica Dictionaryhttps://www.britannica.com/dictionary/mile
    Supports: Mile as 5,280 feet, informal great distance, and race sense
  7. Wikipediahttps://en.wikipedia.org/wiki/Mile
    Supports: 1959 standardisation to exactly 1,609.344 metres and distinction among mile types
  8. Learn CSThttps://learncst.com/mile-definitions/
    Supports: Statute mile and nautical mile definitions and exact nautical-mile length