Millimeters Per Second to Miles Per Second Converter (mm/s to mi/s)
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Millimeters Per Second to Miles Per Second
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Convert Miles Per Second to Millimeters Per Second (mi/s to mm/s) ▶

Conversion Table

millimeters per second to miles per second
mm/smi/s
100000 mm/s 0.0621 mi/s
200000 mm/s 0.1243 mi/s
300000 mm/s 0.1864 mi/s
400000 mm/s 0.2485 mi/s
500000 mm/s 0.3107 mi/s
600000 mm/s 0.3728 mi/s
700000 mm/s 0.435 mi/s
800000 mm/s 0.4971 mi/s
900000 mm/s 0.5592 mi/s
1000000 mm/s 0.6214 mi/s
1100000 mm/s 0.6835 mi/s
1200000 mm/s 0.7456 mi/s
1300000 mm/s 0.8078 mi/s
1400000 mm/s 0.8699 mi/s
1500000 mm/s 0.9321 mi/s
1600000 mm/s 0.9942 mi/s
1700000 mm/s 1.0563 mi/s
1800000 mm/s 1.1185 mi/s
1900000 mm/s 1.1806 mi/s
2000000 mm/s 1.2427 mi/s

How to convert

1 millimeter per second (mm/s) = 6.21371E-07 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 second

Millimeters 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:

  • Meters per second (m/s): To convert from mm/s to m/s, divide by 1000. To convert from m/s to mm/s, multiply by 1000. For example, 1 mm/s is equal to 0.001 m/s, and 10 m/s is equal to 10000 mm/s.
  • Kilometers per hour (km/h): To convert from mm/s to km/h, multiply by 0.0036. To convert from km/h to mm/s, divide by 0.0036. For example, 1 mm/s is equal to 0.0036 km/h, and 50 km/h is equal to 13888.89 mm/s.
  • Miles per hour (mph): To convert from mm/s to mph, multiply by 0.00223694. To convert from mph to mm/s, divide by 0.00223694. For example, 1 mm/s is equal to 0.00223694 mph, and 30 mph is equal to 13411.2 mm/s.
  • Knots (kn): To convert from mm/s to kn, multiply by 0.00194384. To convert from kn to mm/s, divide by 0.00194384. For example, 1 mm/s is equal to 0.00194384 kn, and 15 kn is equal to 7716.12 mm/s.
  • Feet per second (ft/s): To convert from mm/s to ft/s, multiply by 0.00328084. To convert from ft/s to mm/s, divide by 0.00328084. For example, 1 mm/s is equal to 0.00328084 ft/s, and 40 ft/s is equal to 12192 mm/s.
  • Inches per second (in/s): To convert from mm/s to in/s, multiply by 0.0393701. To convert from in/s to mm/s, divide by 0.0393701. For example, 1 mm/s is equal to 0.0393701 in/s, and 20 in/s is equal to 508 mm/s.

Where millimeters per second are used

Millimeters 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 10-20 micrometers per second, which is equivalent to 0.01-0.02 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 second

According 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 second

The 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 eighty-six 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 units

Here are some examples of converting millimeters per second to other units of speed or velocity:

  • 1 mm/s = 0.001 m/s = 0.0036 km/h = 0.00223694 mph = 0.00194384 kn = 0.00328084 ft/s = 0.0393701 in/s
  • 2 mm/s = 0.002 m/s = 0.0072 km/h = 0.00447388 mph = 0.00388768 kn = 0.00656168 ft/s = 0.0787402 in/s
  • 5 mm/s = 0.005 m/s = 0.018 km/h = 0.0111847 mph = 0.0097192 kn = 0.0164042 ft/s = 0.196851 in/s
  • 10 mm/s = 0.01 m/s = 0.036 km/h = 0.0223694 mph = 0.0194384 kn = 0.0328084 ft/s = 0.393701 in/s
  • 20 mm/s = 0.02 m/s = 0.072 km/h = 0.0447388 mph = 0.0388768 kn = 0.0656168 ft/s = 0.787402 in/s
  • 50 mm/s = 0.05 m/s = 0.18 km/h = 0.111847 mph = 0.097192 kn = 0.164042 ft/s = 1.9685 in/s
  • 100 mm/s = 0.1 m/s = 0.36 km/h = 0.223694 mph = 0.194384 kn = 0.328084 ft/s = 3.93701 in/s
Millimeters per second also can be marked as mm/s and Millimetres per second (alternative British English spelling in UK).

Miles per second: A unit of speed

Miles 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 second

Miles 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:

  • Meters per second (m/s): To convert from mi/s to m/s, multiply by 1609.34. To convert from m/s to mi/s, divide by 1609.34. For example, 1 mi/s is equal to 1609.34 m/s, and 100 m/s is equal to 0.0621371 mi/s.
  • Kilometers per hour (km/h): To convert from mi/s to km/h, multiply by 5793.64. To convert from km/h to mi/s, divide by 5793.64. For example, 1 mi/s is equal to 5793.64 km/h, and 50 km/h is equal to 0.00863028 mi/s.
  • Miles per hour (mph): To convert from mi/s to mph, multiply by 3600. To convert from mph to mi/s, divide by 3600. For example, 1 mi/s is equal to 3600 mph, and 60 mph is equal to 0.0166667 mi/s.
  • Knots (kn): To convert from mi/s to kn, multiply by 3128.31. To convert from kn to mi/s, divide by 3128.31. For example, 1 mi/s is equal to 3128.31 kn, and 15 kn is equal to 0.00479717 mi/s.
  • Feet per second (ft/s): To convert from mi/s to ft/s, multiply by 5280. To convert from ft/s to mi/s, divide by 5280. For example, 1 mi/s is equal to 5280 ft/s, and 40 ft/s is equal to 0.00757576 mi/s.
  • Inches per second (in/s): To convert from mi/s to in/s, multiply by 63360. To convert from in/s to mi/s, divide by 63360. For example, 1 mi/s is equal to 63360 in/s, and 20 in/s is equal to 0.000315789 mi/s.

Where miles per second are used

Miles 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 second

According 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 second

The 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 eighty-six 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 units

Here are some examples of converting miles per second to other units of speed or velocity:

  • 1 mi/s = 1609.34 m/s = 5793.64 km/h = 3600 mph = 3128.31 kn = 5280 ft/s = 63360 in/s
  • 2 mi/s = 3218.68 m/s = 11587.28 km/h = 7200 mph = 6256.62 kn = 10560 ft/s = 126720 in/s
  • 5 mi/s = 8046.7 m/s = 28968.2 km/h = 18000 mph = 15657.55 kn = 26400 ft/s = 316800 in/s
  • 10 mi/s = 16093.4 m/s = 57936.4 km/h = 36000 mph = 31283.1 kn = 52800 ft/s = 633600 in/s
  • 20 mi/s = 32186.8 m/s = 115872.8 km/h = 72000 mph = 62566.2 kn = 105600 ft/s = 1267200 in/s
  • 50 mi/s = 80467 m/s = 289682 km/h = 180000 mph = 156575.5 kn = 264000 ft/s = 3168000 in/s
  • 100 mi/s = 160934 m/s = 579364 km/h = 360000 mph = 312831 kn = 528000 ft/s = 6336000 in/s
Miles per second also can be marked as mps.



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