![]() The difference is that the mile is a part of the imperial unit system, used in several countries like the United States and the United Kingdom, while the kilometer is a unit from the metric system. Since the time dimension is in hours for both speed units, the only difference remains that between the length units. Difference between Kilometers per hour and Miles per hourīoth kilometers and miles are units for measuring distances and they are of comparable magnitude. The internationally recognized symbol for kilometer is "km", and "mi" for mile, translating to "kmph" (often "kph") and "miph" which is more often abbreviated to "mph", causing potential confusion with meters per hour. These are internationally agreed upon unit definitions that were established by a treaty signed in 1959. Since the time measurement unit is the same, an hour, it plays no role in the conversion. This follows from the definition of a mile as 5280 feet, the definition of a feet as 0.3044 meters, and the definition of a kilometer as 1,000 meters. When talking about speed measurement 1.609344 kilometers per hour equal one mile per hour. How many Kilometers per hour equal one Mile per hour? How to convert Kilometers per hour to Miles per hour?.Difference between Kilometers per hour and Miles per hour.How many Kilometers per hour equal one Mile per hour?.Mile to Kilometer Conversion Table Mile ġ5 mi, mi(Int) = 15 × 1.609344 km = 24. ![]() Unlike the United States, the UK has adopted the metric system while the metric system is widely used in government, commerce, and industry, remnants of the imperial system can still be seen in the UK's use of miles in its road systems. However, there still remain a number of countries that primarily use the mile instead of the kilometer including the United States and the United Kingdom (UK). This definition is subject to change, but the relationship between the meter and the kilometer will remain constant.Ĭurrent use: It is currently the official unit of measurement for expressing distances between geographical places on land in most of the world. The origin of the kilometer is linked to that of the meter, and its current definition as the distance traveled by light in 1/299 792 458 second. ![]() One kilometer is therefore one thousand meters. History/origin: The prefix kilo- is a metric prefix indicating one thousand. One kilometer is equivalent to 0.6214 miles. Kilometerĭefinition: A kilometer (symbol: km) is a unit of length in the International System of Units (SI). There also exist a number of units based on, or closely related to, the Roman mile, including the nautical mile (1.852 km exactly), Italian mile (~1.852 km), and the Chinese mile (500m exactly).Ĭurrent use: Although most countries have adopted the metric system and use kilometers, rather than miles, to express land distance, the mile is still prevalently used in countries such as the United States (US), United Kingdom (UK), Myanmar, and Liberia, as well as some other countries which are either US or UK territories, or have historical ties with either country. The definition of a mile as 5,280 feet (or 8 furlongs), sometimes referred to as the statute mile, international mile, or land mile, which differs from the Roman mile of 5,000 feet, developed due to the importance of the furlong in England, back in 1593. The use of the abbreviation "m" for mile was common before the widespread adoption of the metric system after the adoption of the metric system, "mi" became the preferred abbreviation in order to avoid confusion between miles and meters. History/origin: The mile is an English unit (predecessor of Imperial units and United States Customary Units) of length. It is currently defined as 5,280 feet, 1,760 yards, or exactly 1,609.344 meters. Definition: A mile (symbol: mi or m) is a unit of length in the imperial and US customary systems of measurement.
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