Like km/h, mph is a unit of speed that expresses the number of miles that are travelled in one hour and is most often used to express road traffic speeds. The statute mile was standardized between the US and the British Commonwealth in 1959 by an international agreement. This unit of measurement is typically used in the US and the UK. One mile is equivalent to 1609.34 or 1.60934 km. The mile is a unit of length in the imperial system and is symbolized by ‘mi’. This unit is most often used to express road traffic speeds. Kilometres per hour (km/h) is a unit of speed that expresses how many kilometres are travelled in one hour. This unit of measurement is used across the world to express distances between places on land, except in countries like the US and the UK, where the mile is used instead. One kilometre is equivalent to 1,000 metres or 0.621371 of a mile. What Is A Kilometre?Ī kilometre is a unit of length in the metric system and is symbolized by ‘km’.
#Conversion milles en kilometre heure how to
Read on to find out how to convert these different units of length. In many cases, you may need to convert kilometres to miles, or vice versa. And when it comes to expressing speed - especially on roadways - kilometres per hour or miles per hour may be used, though you’ll typically see one favoured over the other, depending on where you are in the world. Most places across the globe use kilometres to express distance and length, but other nations use miles instead. Multiply the distance in miles by 1.6 to get the result in kilometers. There are approximately 1.6 kilometers in every mile. Either multiply by 0.62 or divide by 1.6 to convert kilometers to miles. Our data concerning this speed are taken from the Wikipedia website. This speed, being the fastest of all forms in the universe, is variable and depends essentially on the refractive index of the medium in which it enters or propagates. The speed of light is regularly indicated in meter per second but can also easily be converted to kilometer per hour. Our speed of sound data comes from the Cyberphon (Université Lumière Lyon CNRS * French version). In water it is propagated almost 4.5 times faster, i.e. In air at 15 degrees celsius, its speed is about 340 m / s or 1224 km/h. This speed of propagation of sound waves is very variable and depends mainly on the temperature as well as the density (density) of the medium (such as air, water, gas) in which it is taken.
The speed of sound is often expressed in meters per second but can also be converted to kilometers per hour. This unit is often referred to as kilometer-hour, kilometre per hour or used as an abbreviation km/h, kph,kmph, km/hr. This unit of measurement for speed is a multiple of the meter per second within the international system of units. Take for example a car traveling at a speed of 150 km/h, what will be its speed in mph using the method of conversion by division?ġ50 km/h / 1.609344 = 93.2056788 or when rounded to 93.21 mph How much is 1 mph in km/hġ mph = 1.609344 km/h How much is 1 km/h in mphġ km/h = 0.621371 mph The kilometer per hourĪs the name suggests, the kilometer per hour is used to measure the number of kilometers traveled in an hour. Kilometer per hour divided by 1.609344 equal Mile per hour Example Kilometer per hour multiplied by 0.621371 equals Mile per hour Take for example a car traveling at a speed of 80 mph, what will be its speed in km/h using the conversion method by multiplication?Ĩ0 mph x 1.609344 = 128.74752 or when rounded to 128.75 km/h Convert from km/h to mph
Mile per hour divided by 0.621371 equal kilometer per hour Example Mile per hour multiplied by 1.609344 equals kilometer per hour Calculating the speed which, when based on the same time, will give the same conversion multiple. Kilomètre par heure (km/h) Formula for converting mph to km/hĬonsider that each mile unit equals to 1.609344 kilometers.
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