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Convert Miles Per Hour to Mach (mph to M) ▶ Conversion Table
How to convert1 mach (M) = 761.21 mile per hour (mph). Mach (M) is a unit of Speed used in Metric system. Mile Per Hour (mph) is a unit of Speed used in Standard system. Mach numberDefinition of MachMach, commonly denoted M or Ma, is a dimensionless quantity in fluid dynamics representing the ratio of flow velocity past a boundary to the local speed of sound. It is named after the Austrian physicist and philosopher Ernst Mach, who studied gas dynamics and shock waves. Mach number is used to classify the flow regimes based on the effects of compressibility and shock waves on the flow. How to Convert MachTo convert mach to other units of speed, we need to multiply by the local speed of sound in the medium, which depends on the temperature and pressure of the gas. For example, to convert mach to meters per second, we need to multiply by the speed of sound in air at sea level, which is about 340 m/s. To convert mach to kilometers per hour, we need to multiply by the speed of sound in air at sea level and by 3.6, since there are 3.6 seconds in one hour. Here are some examples of how to convert mach to other units of length in the US Standard system and the SI system:
Where Mach Is UsedMach is used in various fields of science and technology where the speed and direction of movement of objects or phenomena are measured or applied in relation to the speed of sound in the medium. For example:
History of MachThe concept of mach number was first introduced by Swiss engineer Jakob Ackeret in his doctoral thesis in 1929. He proposed it as a convenient way to express the ratio of flow velocity to speed of sound in gas dynamics problems. He also named it after Ernst Mach, who had conducted experiments on supersonic projectiles and shock waves in the late nineteenth century. The term mach number was later popularized by German-American engineer Theodore von Karman, who used it extensively in his research on aerodynamics and supersonic flight in the early twentieth century. He also established the first supersonic wind tunnel at Caltech in 1939. The first human-made object to break the sound barrier was a rocket-powered plane called Bell X-1 piloted by Chuck Yeager in October 1947. He achieved a speed of about Mach 1.06 at an altitude of 13,000 meters. The fastest unmanned aircraft ever flown was the NASA X-43A, which reached a speed of about Mach 9.6 in November 2004. Example Conversions of Mach to Other UnitsHere are some examples of how to convert mach to other units of speed, using the conversion factors given above:
Miles Per HourDefinition of Miles Per HourMiles per hour (mph, m.p.h., MPH, or mi/h) is a unit of speed that measures how fast something is moving in terms of miles per unit of time. It is commonly used in the United States, the United Kingdom, and some other countries that use the US Standard system of measurement or have close historical ties with them. The speed limit signs on roads and highways are usually expressed in mph. One mile per hour is equal to 1.609344 kilometers per hour, or 0.44704 meters per second. It can also be converted to other units of speed, such as feet per second, knots, or meters per second, by using appropriate conversion factors. How to Convert Miles Per HourTo convert miles per hour to other units of speed, we need to multiply or divide by the corresponding conversion factors. For example, to convert miles per hour to kilometers per hour, we need to multiply by 1.609344, since there are 1.609344 kilometers in one mile. To convert miles per hour to meters per second, we need to multiply by 0.44704, since there are 0.44704 meters in one mile. Here are some examples of how to convert miles per hour to other units of length in the US Standard system and the SI system:
Where Miles Per Hour Are UsedMiles per hour are mainly used in the United States, the United Kingdom, and some other countries that use the US Standard system of measurement or have close historical ties with them. They are often used for car speeds and road signs, as well as for trains, planes, boats, and bicycles. For example, a car may have a speed of 60 mph, which means that it travels a distance of 60 miles in one hour. A road sign may indicate a speed limit of 55 mph, which means that drivers should not exceed this speed on that road section. A train may have a speed of up to 150 mph, which means that it covers a distance of up to 150 miles in one hour. Miles per hour are also used in some other fields, such as sports, weather, and astronomy, where the speed or velocity of an object or phenomenon is measured in miles per unit of time. History of Miles Per HourThe origin of miles per hour as a unit of speed can be traced back to the development of the US Standard system and the mile as a unit of length in the late eighteenth century. The mile was defined as one thousand six hundred and nine meters (or eight furlongs) based on the English statute mile. The term mile first appeared in English in the late fourteenth century, but it was not until later in the early nineteenth century that the use of miles per hour became more common; before that, other units such as feet per second or leagues per hour were preferred for expressing speed. Miles per hour have been used ever since as a standard unit of speed for the United States, the United Kingdom, and some other countries that use the US Standard system or have close historical ties with them. They have also been adopted by some international organizations and conventions, such as the International Civil Aviation Organization and the International System of Units. Example Conversions of Miles Per Hour to Other UnitsHere are some examples of how to convert miles per hour to other units of speed, using the conversion factors given above:
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Mach to Feet Per Second Mach to Kilometers Per Day Mach to Kilometers Per Second Mach to Knots Mach to Kilometers Per Hour Mach to Light Speed Mach to Miles Per Day Mach to Miles Per Second Mach to Miles Per Hour Mach to Meters Per Second Miles Per Hour to Centimeters Per Second Miles Per Hour to Feet Per Second Miles Per Hour to Kilometers Per Day Miles Per Hour to Kilometers Per Second Miles Per Hour to Knots Miles Per Hour to Kilometers Per Hour Miles Per Hour to Light Speed Miles Per Hour to Meters Per Minute Miles Per Hour to Mach Miles Per Hour to Miles Per Day Miles Per Hour to Miles Per Minute Miles Per Hour to Miles Per Second Miles Per Hour to Meters Per Second Kilometers Per Second to Kilometers Per Hour Knots to Kilometers Per Hour Knots to Miles Per Hour Kilometers Per Hour to Kilometers Per Second Kilometers Per Hour to Knots Kilometers Per Hour to Light Speed Kilometers Per Hour to Mach Kilometers Per Hour to Miles Per Second Kilometers Per Hour to Miles Per Hour Kilometers Per Hour to Meters Per Second Light Speed to Kilometers Per Hour Light Speed to Miles Per Hour Mach to Kilometers Per Hour Mach to Miles Per Second Mach to Miles Per Hour Miles Per Second to Kilometers Per Hour Miles Per Second to Mach Miles Per Hour to Knots Miles Per Hour to Kilometers Per Hour Miles Per Hour to Light Speed Miles Per Hour to Mach Miles Per Hour to Meters Per Second Meters Per Second to Kilometers Per Hour Meters Per Second to Miles Per Hour |
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