

Convert Nautical Miles to Miles (nmi to mi) ▶ Conversion Table
How to convert1 mile (mi) = 0.868976 nautical mile (nmi). Mile (mi) is a unit of Length used in Standard system. Nautical Mile (nmi) is a unit of Length used in Standard system. Mile: A Unit of LengthThe mile is a unit of length that is equal to 5,280 feet or 1,760 yards. It is based on the older English unit of length that was used before the adoption of the metric system. The mile is also a derived unit in the British imperial and US customary systems of measurement. The symbol for mile is mi or m. The mile is most commonly used when expressing distances on land or in air travel. The mile is also used for measuring speed, such as miles per hour (mph). The mile is sometimes distinguished from other types of miles, such as the nautical mile or the geographical mile, by using the term statute mile. In this article, we will explore the definition, history, usage and conversion of the mile as a unit of length. Definition of the MileThe mile is a unit of length that is equal to 5,280 feet or 1,760 yards. It is defined as 1,609.344 meters by international agreement in 1959. One foot is equal to 0.3048 meter and one yard is equal to 0.9144 meter. The definition of the mile has changed over time, as different standards and methods of measurement were developed by various countries and organizations. The current definition of the mile as based on the meter was agreed upon by an international treaty in 1959. History of the MileThe origin of the mile as a unit of length can be traced back to ancient times, when it was used as a measure of distance based on the human pace. The word mile comes from the Latin word mille, which means thousand. It referred to the distance of one thousand paces, which was about 5,000 Roman feet or 1.48 kilometers. The mile was adopted by other countries that followed the Roman system of measurement, such as England and France. It varied in length from country to country and from time to time, depending on local standards and methods of measurement. The mile was standardized in England by an act of Parliament in 1593, which set it as a distance of 8 furlongs or 5,280 feet. A furlong was a measure of distance used for plowing fields and was equal to 660 feet or 40 rods. A rod was a measure of length used for surveying land and was equal to 16.5 feet or 5.5 yards. The mile was adopted by other countries that followed the English system of measurement, such as the United States and Canada. It was also incorporated into the imperial system of measurement, which was established by an act of Parliament in 1824. The imperial system was based on seven base units that could be derived from natural and traditional units. The mile remained as a derived unit in the imperial system, but it was no longer recommended for use in scientific and technical fields. Usage of the MileThe mile is a unit of length that is used for measuring distances on land or in air travel. For example:
The mile is commonly used in everyday life, especially in countries that follow the British imperial or US customary systems of measurement. Some examples are:
The mile is also used for measuring speed, such as miles per hour (mph). This is a measure of how fast an object moves in relation to another object or point. For example:
Example Conversions of Mile to Other UnitsThe mile can be converted to other units of length by using different factors and formulas. Here are some examples of conversion for different types of units:
1 mi x 5,280 = 5,280 ft
1 mi x 1,760 = 1,760 yd
1 mi x 1,609.344 = 1,609.344 m
1 mi x 1.609344 = 1.609344 km
1 mi / 1.150779 = 0.868976 nmi
1 mi / 0.869 = 1.151 mi
1 ft / 5,280 = 0.000189 mi
1 yd / 1,760 = 0.000568 mi
1 m / 1,609.344 = 0.000621 mi
1 km / 1.609344 = 0.621371 mi
1 nmi x 1.150779 = 1.150779 mi
1 mi x 0.869 = 0.869 mi Nautical Mile: A Unit of LengthA nautical mile is a unit of length that is used in air, marine, and space navigation, and for the definition of territorial waters. It is based on the Earth’s longitude and latitude coordinates, and is equal to one minute of arc along a meridian. In this article, we will explore the definition, history, uses, and conversions of the nautical mile. Definition of the Nautical MileThe nautical mile is defined as exactly 1,852 metres (6,076 feet; 1.151 miles) by the International Hydrographic Organization (IHO) since 1929. This definition is based on the length of one minute of arc along a great circle of a sphere having the same surface area as the Clarke 1866 ellipsoid, which approximates the shape of the Earth. The nautical mile is not an SI unit, but it is accepted for use with the SI by the International Committee for Weights and Measures. The derived unit of speed is the knot, which is one nautical mile per hour. History of the Nautical MileThe concept of the nautical mile dates back to ancient times, when navigators used the stars and angles to measure distances at sea. The word mile comes from the Latin phrase mille passus, meaning a thousand paces. The nautical mile was originally defined as the length on the Earth’s surface of one minute of arc along a meridian (northsouth line of longitude). However, this definition varied depending on the latitude and the shape of the Earth assumed by different countries. For example, France defined a nautical mile as one tenmillionth of a quarter meridian using the original 1791 definition of the metre.The United States and the United Kingdom used an average arcminute based on the Clarke 1866 ellipsoid. In order to standardize the nautical mile, the IHO adopted the current definition in 1929, which was later endorsed by other international organizations such as the International Civil Aviation Organization (ICAO) and the International Maritime Organization (IMO). The United States adopted the international nautical mile in 1954 and the United Kingdom in 1970. Where Nautical Mile is UsedThe nautical mile is widely used in navigation, especially for maritime and aviation purposes. It is convenient to use because it corresponds to one minute of latitude, which can be easily measured with a sextant or a GPS device. It also allows for simple calculations of distances along great circles, which are the shortest routes between two points on a sphere. Some examples of where nautical mile is used are:
How to Convert Nautical MileThe nautical mile can be converted to other units of length using simple multiplication or division by a conversion factor. Here are some common conversion factors:
For example, to convert 10 nautical miles to kilometres, we multiply by 1.852: 10 NM × 1.852 = 18.52 km To convert 50 kilometres to nautical miles, we divide by 1.852: 50 km ÷ 1.852 = 27 NM Example Conversions of Nautical Mile to Other UnitsHere are some example conversions of nautical mile to other units:
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