Inches Per Second to Kilometers Per Hour Converter (in/s to kph)
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Inches Per Second to Kilometers Per Hour
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Convert Kilometers Per Hour to Inches Per Second (kph to in/s) ▶

Conversion Table

inches per second to kilometers per hour
in/skph
10 in/s 0.9144 kph
20 in/s 1.8288 kph
30 in/s 2.7432 kph
40 in/s 3.6576 kph
50 in/s 4.572 kph
60 in/s 5.4864 kph
70 in/s 6.4008 kph
80 in/s 7.3152 kph
90 in/s 8.2296 kph
100 in/s 9.144 kph
110 in/s 10.0584 kph
120 in/s 10.9728 kph
130 in/s 11.8872 kph
140 in/s 12.8016 kph
150 in/s 13.716 kph
160 in/s 14.6304 kph
170 in/s 15.5448 kph
180 in/s 16.4592 kph
190 in/s 17.3736 kph
200 in/s 18.288 kph

How to convert

1 inch per second (in/s) = 0.09144 kilometer per hour (kph). Inch Per Second (in/s) is a unit of Speed used in Standard system. Kilometer Per Hour (kph) is a unit of Speed used in Metric system.

Inches per second: A unit of speed

Inches per second ( in/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 inches divided by the time taken in seconds. For example, if a worm travels 2 inches in 1 second, its speed is 2 in/s.

How to convert inches per second

Inches 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 in/s to m/s, multiply by 0.0254. To convert from m/s to in/s, divide by 0.0254. For example, 1 in/s is equal to 0.0254 m/s, and 10 m/s is equal to 393.701 in/s.
  • Kilometers per hour (km/h): To convert from in/s to km/h, multiply by 0.09144. To convert from km/h to in/s, divide by 0.09144. For example, 1 in/s is equal to 0.09144 km/h, and 50 km/h is equal to 547.867 in/s.
  • Miles per hour (mph): To convert from in/s to mph, multiply by 0.0568182. To convert from mph to in/s, divide by 0.0568182. For example, 1 in/s is equal to 0.0568182 mph, and 30 mph is equal to 528 in/s.
  • Knots (kn): To convert from in/s to kn, multiply by 0.0493737. To convert from kn to in/s, divide by 0.0493737. For example, 1 in/s is equal to 0.0493737 kn, and 15 kn is equal to 303.795 in/s.
  • Feet per second (ft/s): To convert from in/s to ft/s, divide by 12. To convert from ft/s to in/s, multiply by 12. For example, 1 in/s is equal to 0.0833333 ft/s, and 10 ft/s is equal to 120 in/s .
  • Miles per second (mi/s): To convert from in/s to mi/s , multiply by 1.5783x10 -5 . To convert from mi/s to in/s, divide by 1.5783x10 -5 . For example,1 in/s is equal to 1.5783x10 -5 mi/s, and 1 mi/s is equal to 63360 in/s .

Where inches per second are used

Inches per second are mainly used in engineering and manufacturing to measure the speed or velocity of machines and processes.

For example, the cutting speed of a lathe or a milling machine is often given in inches per minute, which is equivalent to inches per second divided by 60.

The rotational speed of a hard disk drive is often given in revolutions per minute, which can be converted to inches per second by multiplying by the circumference of the disk.

The flow rate of a fluid through a pipe or a nozzle is often given in gallons per minute, which can be converted to inches per second by multiplying by the cross-sectional area of the pipe or the nozzle.

Definition of inches per second

According to the US customary and imperial systems definition, one inch per second is the speed of a body that covers a distance of one inch in a time of one second.

Mathematically, it can be expressed as:

where v is the speed or velocity in inches per second, s is the distance traveled in inches, and t is the time taken in seconds.

History of inches 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 inch was originally derived from the Roman uncia which was one twelfth of a Roman foot or about 0.97 inches .

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 inch per second as a unit of speed or velocity.

The inch per second was officially adopted as part of the US customary and imperial systems in the late 18th century.

Example conversions of inches per second to other units

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

1 in/s = 0.0254 m/s = 0.09144 km/h = 0.0568182 mph = 0.0493737 kn = 0.0833333 ft/s = 1.5783x10 -5 mi/s
2 in/s = 0.0508 m/s = 0.18288 km/h = 0.113636 mph = 0.0987474 kn = 0.166667 ft/s = 3.1566x10 -5 mi/s
5 in/s = 0.127 m/s = 0.4572 km/h = 0.284091 mph = 0.246869 kn = 0.416667 ft/s = 7.8915x10 -5 mi/s
10 in/s = 0.254 m/s = 0.9144 km/h = 0.568182 mph = 0.493737 kn = 0.833333 ft/s = 1.5783x10 -4 mi/s
20 in/s = 0.508 m/s = 1.8288 km/h = 1.13636 mph = 0.987475 kn = 1.66667 ft/s = 3.1566x10 -4 mi/s
50 in/s = 1.27 m/s = 4.572 km/h = 2.84091 mph = 2.46869 kn = 4.16667 ft/s = 7.8915x10 -4 mi/s
100 in/s = 2.54 m/s = 9.144 km/h = 5.68182 mph = 4.93737 kn = 8.33333 ft/s = 1.5783x10 -3 mi/s

Inch per second also can be marked as ips.

Kilometers Per Hour

Definition of Kilometers Per Hour

Kilometers per hour (km/h) is a unit of speed that measures how fast something is moving in terms of kilometers per unit of time. It is commonly used in most countries around the world, except for the United States and some other countries that use the US Standard system of measurement. The speed limit signs on roads and highways are usually expressed in km/h.

One kilometer per hour is equal to 0.27777777777778 meters per second, or 3.6 meters per minute. It can also be converted to other units of speed, such as miles per hour, feet per second, or knots, by using appropriate conversion factors.

How to Convert Kilometers Per Hour

To convert kilometers per hour to other units of speed, we need to multiply or divide by the corresponding conversion factors. For example, to convert kilometers per hour to miles per hour, we need to multiply by 0.6213711922, since there are 0.6213711922 miles in one kilometer. To convert kilometers per hour to meters per second, we need to divide by 3.6, since there are 3.6 seconds in one minute.

Here are some examples of how to convert kilometers per hour to other units of length in the US Standard system and the SI system:

  • To convert 10 km/h to miles per hour (mph), we multiply by 0.6213711922: 10 km/h x 0.6213711922 = 6.213711922 mph
  • To convert 20 km/h to feet per second (fps), we multiply by 0.9113444153, since there are 0.9113444153 feet in one meter: 20 km/h x 0.9113444153 = 18.226888306 fps
  • To convert 30 km/h to knots (kn), we multiply by 0.5399568035, since there are 0.5399568035 nautical miles in one kilometer: 30 km/h x 0.5399568035 = 16.198704105 kn
  • To convert 40 km/h to meters per second (m/s), we divide by 3.6: 40 km/h / 3.6 = 11.111111111 m/s
  • To convert 50 km/h to meters per minute (m/min), we multiply by 16.666666667, since there are 16.666666667 minutes in one hour: 50 km/h x 16.666666667 = 833.33333335 m/min
  • To convert 60 km/h to centimeters per second (cm/s), we multiply by 1000, since there are 100 centimeters in one meter, and divide by 3.6: 60 km/h x 1000 / 3.6 = 16666.666667 cm/s

Where Kilometers Per Hour Are Used

Kilometers per hour are mainly used in most countries around the world that use the SI system of measurement or the metric system. 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 100 km/h, which means that it travels a distance of 100 kilometers in one hour. A road sign may indicate a speed limit of 80 km/h, which means that drivers should not exceed this speed on that road section. A train may have a speed of 300 km/h, which means that it covers a distance of 300 kilometers in one hour.

Kilometers 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 kilometers per unit of time.

History of Kilometers Per Hour

The origin of kilometers per hour as a unit of speed can be traced back to the development of the metric system and the kilometer as a unit of length in the late eighteenth century. The kilometer was defined as one ten-thousandth of the distance from the equator to the North Pole along a meridian through Paris.

The term kilometer first appeared in English in 1810, but it was not until later in the mid-nineteenth century that the use of kilometers per hour became more widespread; before that, other units such as miles per hour or leagues per hour were preferred for expressing speed.

Kilometers per hour have been used ever since as a standard unit of speed for most countries around the world that use the SI system or the metric system. 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 Kilometers Per Hour to Other Units

Here are some examples of how to convert kilometers per hour to other units of speed, using the conversion factors given above:

  • To convert 100 km/h to miles per hour, we multiply by 0.6213711922: 100 km/h x 0.6213711922 = 62.13711922 mph
  • To convert 200 km/h to feet per second, we multiply by 0.9113444153: 200 km/h x 0.9113444153 = 182.26887661 fps
  • To convert 300 km/h to knots, we multiply by 0.5399568035: 300 km/h x 0.5399568035 = 161.98704105 kn
  • To convert 400 km/h to meters per second, we divide by 3.6: 400 km/h / 3.6 = 111.11111111 m/s
  • To convert 500 km/h to meters per minute, we multiply by 16.666666667: 500 km/h x 16.666666667 = 8333.3333335 m/min
  • To convert 600 km/h to centimeters per second, we multiply by 1000 and divide by 3.6: 600 km/h x 1000 / 3.6 = 166666.666667 cm/s
  • To convert 700 km/h to millimeters per minute, we multiply by 1000000, since there are 1000000 millimeters in one kilometer, and divide by 60, since there are 60 minutes in one hour: 700 km/h x 1000000 / 60 = 11666666.666667 mm/min
Kilometers per hour also can be marked as km/h and Kilometres per hour(alternative British English spelling in UK).



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Related converters:

Inches Per Second to Centimeters Per Second
Kilometers Per Hour to Centimeters Per Second
Kilometers Per Hour to Feet Per Second
Kilometers Per Hour to Kilometers Per Day
Kilometers Per Hour to Kilometers Per Second
Kilometers Per Hour to Knots
Kilometers Per Hour to Light Speed
Kilometers Per Hour to Meters Per Minute
Kilometers Per Hour to Mach
Kilometers Per Hour to Miles Per Day
Kilometers Per Hour to Miles Per Minute
Kilometers Per Hour to Miles Per Second
Kilometers Per Hour to Miles Per Hour
Kilometers 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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