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　　External Websites Ask the Chatbot a Question Also known as: M, NM, Nm, nmi Written by Sanat Pai Raikar Sanat Pai Raikar is a quizmaster and writer based out of Bangalore, India. His first quiz book, Three's A Quiz, was written from memory. Sanat has cofounded Quizarre, which provides quiz, crossword,... Sanat Pai Raikar Fact-checked by The Editors of Encyclopaedia Britannica Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree.... The Editors of Encyclopaedia Britannica Last Updated: Sep 11, 2025 • Article History Table of Contents Table of Contents Ask the Chatbot { "@context": "https://schema.org", "@type": "FAQPage", "mainEntity": [ { "@type" : "Question", "name" : " What is a nautical mile used for? ", "acceptedAnswer" : { "@type" : "Answer", "text" : "A nautical mile is used for air and sea navigation." } } , { "@type" : "Question", "name" : " How is a nautical mile defined? ", "acceptedAnswer" : { "@type" : "Answer", "text" : "A nautical mile is defined as the length on Earthu2019s surface of one minute of arc along a longitude." } } , { "@type" : "Question", "name" : " How far is a nautical mile? ", "acceptedAnswer" : { "@type" : "Answer", "text" : "One nautical mile equals 1.15 statute miles." } } ] } Top Questions What is a nautical mile used for? A nautical mile is used for air and sea navigation.

　　How is a nautical mile defined? A nautical mile is defined as the length on Earth’s surface of one minute of arc along a longitude.

　　How far is a nautical mile? One nautical mile equals 1.15 statute miles.

　　nautical mile, unit of distance used for air and sea navigation. The nautical mile is defined as the length on the Earth’s surface of one minute (1/60 of a degree) of arc along a longitude. The distance covered between two latitudinal lines is 60 nautical miles. One nautical mile is equivalent to 1,852 meters (6,076 feet). It differs from the statute mile, commonly referred to as the mile: 1 nautical mile equals 1.15 statute miles. The speed of a ship or aircraft traveling one nautical mile per hour is one knot. The nautical mile is not a standard ...(100 of 599 words)

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