

Convert Miles Per Second to Millimeters Per Second (mi/s to mm/s) ▶ Conversion Table
How to convert1 millimeter per second (mm/s) = 6.21371E07 mile per second (mi/s). Millimeter Per Second (mm/s) is a unit of Speed used in Metric system. Mile Per Second (mi/s) is a unit of Speed used in Standard system. How to convert millimeters per secondMillimeters per second can be converted to other units of speed or velocity by using simple conversion factors. Here are some common units and their conversion factors:
Where millimeters per second are usedMillimeters per second are mainly used in microbiology and nanotechnology to measure the speed or velocity of microscopic organisms and processes. For example, the average speed of a bacterium such as Escherichia coli is about 1020 micrometers per second, which is equivalent to 0.010.02 mm/s. The average speed of a virus such as influenza A virus is about 1 micrometer per second, which is equivalent to 0.001 mm/s. The average speed of a nanorobot such as a DNA origami walker is about 4 nanometers per second, which is equivalent to 0.000004 mm/s. Definition of millimeters per secondAccording to the SI definition, one millimeter per second is the speed of a body that covers a distance of one millimeter in a time of one second. Mathematically, it can be expressed as:
where v is the speed or velocity in millimeters per second, s is the distance traveled in millimeters, and t is the time taken in seconds. History of millimeters per secondThe concept of speed or velocity has been studied since ancient times by philosophers and scientists such as Aristotle, Galileo, Newton, etc. The millimeter was originally derived from the meter in the late 18th century as one thousandth of a meter. The second was originally defined in terms of the Earth’s rotation as one eightysix thousand four hundredth of a mean solar day. The combination of these two units resulted in the millimeter per second as a unit of speed or velocity. The millimeter per second was officially adopted as part of the SI system in 1960. Example conversions of millimeters per second to other unitsHere are some examples of converting millimeters per second to other units of speed or velocity:
Miles per second: A unit of speedMiles per second (mi/s) is a unit of speed or velocity in the US customary and imperial systems. It measures how fast an object is moving by calculating the distance traveled in miles divided by the time taken in seconds. For example, if a bullet travels 1 mile in 0.5 seconds, its speed is 2 mi/s. How to convert miles per secondMiles per second can be converted to other units of speed or velocity by using simple conversion factors. Here are some common units and their conversion factors:
Where miles per second are usedMiles per second are mainly used in physics and astronomy to measure the speed or velocity of very fast objects and phenomena. For example, the escape velocity of the Earth is about 11 km/s or about 6.84 mi/s. The orbital velocity of the Earth around the Sun is about 30 km/s or about 18.64 mi/s. The speed of light in a vacuum is about 300000 km/s or about 186282 mi/s. The speed of sound in air at sea level is about 343 m/s or about 0.213139 mi/s. Definition of miles per secondAccording to the US customary and imperial systems definition, one mile per second is the speed of a body that covers a distance of one mile in a time of one second. Mathematically, it can be expressed as:
where v is the speed or velocity in miles per second, s is the distance traveled in miles, and t is the time taken in seconds. History of miles per secondThe concept of speed or velocity has been studied since ancient times by philosophers and scientists such as Aristotle, Galileo, Newton, etc. The mile was originally derived from the Roman mile which was defined as one thousand paces or about 5000 Roman feet. The second was originally defined in terms of the Earth’s rotation as one eightysix thousand four hundredth of a mean solar day. The combination of these two units resulted in the mile per second as a unit of speed or velocity. The mile per second was officially adopted as part of the US customary and imperial systems in the late 18th century. Example conversions of miles per second to other unitsHere are some examples of converting miles per second to other units of speed or velocity:
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Millimeters Per Second to Centimeters Per Second Miles Per Second to Feet Per Second Miles Per Second to Kilometers Per Day Miles Per Second to Kilometers Per Second Miles Per Second to Knots Miles Per Second to Kilometers Per Hour Miles Per Second to Light Speed Miles Per Second to Meters Per Minute Miles Per Second to Mach Miles Per Second to Miles Per Day Miles Per Second to Miles Per Minute Miles Per Second to Miles Per Hour Miles Per Second 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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