Square Microinches to Square Inches Converter (sq µin to sq in)
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Square Microinches to Square Inches
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Convert Square Inches to Square Microinches (sq in to sq µin) ▶

Conversion Table

square microinches to square inches
sq µinsq in
100000000000 sq µin 0.1 sq in
200000000000 sq µin 0.2 sq in
300000000000 sq µin 0.3 sq in
400000000000 sq µin 0.4 sq in
500000000000 sq µin 0.5 sq in
600000000000 sq µin 0.6 sq in
700000000000 sq µin 0.7 sq in
800000000000 sq µin 0.8 sq in
900000000000 sq µin 0.9 sq in
1000000000000 sq µin 1 sq in
1100000000000 sq µin 1.1 sq in
1200000000000 sq µin 1.2 sq in
1300000000000 sq µin 1.3 sq in
1400000000000 sq µin 1.4 sq in
1500000000000 sq µin 1.5 sq in
1600000000000 sq µin 1.6 sq in
1700000000000 sq µin 1.7 sq in
1800000000000 sq µin 1.8 sq in
1900000000000 sq µin 1.9 sq in
2000000000000 sq µin 2 sq in

How to convert

1 square microinch (sq µin) = 1E-12 square inch (sq in). Square Microinch (sq µin) is a unit of Area used in Standard system. Square Inch (sq in) is a unit of Area used in Standard system.

Square Microinch: A Unit of Area

A square microinch is a unit of area measurement of a space. It is equal to the area of a square with sides of one microinch. The symbol for square microinch is μin2.

Definition of the Square Microinch

The square microinch is defined as the area of a square that has a side length of 1 microinch, or one millionth of an inch. This is equivalent to 0.00000000000064516 square meter, or 0.00000000000155 square inch, or 0.00000000000000001076 square foot.

The square microinch is not an official unit in the International System of Units (SI), but it is sometimes used in the United States and the United Kingdom. It is also a customary unit in some other countries that use the imperial or US customary system of measurement.

History of the Square Microinch

The square microinch was derived from the microinch, which was introduced in the 1930s as a unit of length for measuring very small distances, such as the thickness of metal films and coatings. The microinch was defined as one millionth of an inch, or 0.0254 micrometer.

The square microinch was used as a unit of area for measuring very small surfaces, such as the roughness of metal surfaces and the size of microscopic particles. It was also used as a unit of pressure, such as pounds per square microinch (psi), which is still used today for some applications.

The square microinch was gradually replaced by the metric units of area, such as the square micrometer and the square nanometer, in most countries that adopted the metric system. However, it is still used in some fields and applications, such as engineering, metrology, and microscopy.

How to Convert Square Microinch to Other Units

To convert a square microinch to other units of area, we can use the following conversion factors:

  • 1 square microinch = 0.00000000000064516 square meter
  • 1 square microinch = 0.00000000064516 square millimeter
  • 1 square microinch = 0.000000064516 square centimeter
  • 1 square microinch = 0.00000000000155 square inch
  • 1 square microinch = 0.00000000000000001076 square foot
  • 1 square microinch = 0.000000000000000001196 square yard

To convert from other units to a square microinch, we can use the inverse of these conversion factors.

For example, to convert 50 square millimeters to square microinches, we can use:

50 square millimeters x (1550.0031000062 μin2 / 1 mm2) = 77500.155 μin2

Where Square Microinch is Used

The square microinch is sometimes used in some countries for measuring very small areas, especially in engineering, metrology, and microscopy. It is also used as a unit of pressure, such as pounds per square microinch (psi).

Some examples of uses of the square microinch are:

  • The average roughness of a machined metal surface is about 32 μin2.
  • The standard paper size for printing documents in the United States and Canada is letter, which has an area of about 93.5 trillion μin2.
  • The smallest unit of measurement for digital images is a pixel, which can have an area ranging from less than 0.00155 μin2 to more than 15.5 μin2 depending on the resolution and size of the screen.
  • The largest known virus by size is the pandoravirus salinus, which has an average diameter of about 1000 nanometers (or 39.37 microinches) and an area of about 1219 μin2.
  • The smallest state in the United States by area, Rhode Island, has an area of about 777 quadrillion μin2.

Example Conversions of Square Microinch to Other Units

Here are some example conversions of a square microinch to other units:

  • 1 square microinch = 0.00000000000064516 square meter
  • 1 square microinch = 0.00000000064516 square millimeter
  • 1 square microinch = 0.000000064516 square centimeter
  • 1 square microinch = 0.00000000000155 square inch
  • 1 square microinch = 0.00000000000000001076 square foot
  • 1 square microinch = 0.000000000000000001196 square yard
  • 1 square microinch = 0.64516 square nanometer
Square microinches also can be marked as µin2.

Square Inch: A Unit of Area

A square inch is a unit of area measurement of a space. It is equal to the area of a square with sides of one inch in length. The symbol for square inch is in2.

Definition of the Square Inch

The square inch is defined as the area of a square that has a side length of 1 inch. This is equivalent to 0.00064516 square meter, or 6.4516 square centimeter, or 0.00000003937 square mile.

The square inch is not an official unit in the International System of Units (SI), but it is commonly used in the United States and the United Kingdom. It is also a customary unit in some other countries that use the imperial or US customary system of measurement.

History of the Square Inch

The square inch was derived from the inch, which was originally based on the length of three barleycorns laid end to end. The inch was first standardized by King Edward II of England in 1324, who defined it as equal to three grains of barley, dry and round, placed end to end lengthwise.

The square inch was used as a unit of area for measuring land, buildings, and other objects. It was also used as a unit of pressure, such as pounds per square inch (psi), which is still widely used today.

The square inch was gradually replaced by the metric units of area, such as the square meter and the square centimeter, in most countries that adopted the metric system. However, it is still widely used in some fields and applications, such as engineering, carpentry, printing, and clothing.

How to Convert Square Inch to Other Units

To convert a square inch to other units of area, we can use the following conversion factors:

  • 1 square inch = 0.00064516 square meter
  • 1 square inch = 6.4516 square centimeter
  • 1 square inch = 0.00000003937 square mile
  • 1 square inch = 0.00001076 square foot
  • 1 square inch = 0.0001196 square yard
  • 1 square inch = 645.16 square micrometer

To convert from other units to a square inch, we can use the inverse of these conversion factors.

For example, to convert 50 square centimeters to square inches, we can use:

50 square centimeters x (0.155000310 in2 / 1 cm2) = 7.7500155 in2

Where Square Inch is Used

The square inch is commonly used in many countries for measuring small areas, especially in engineering, carpentry, printing, and clothing. It is also used as a unit of pressure, such as pounds per square inch (psi).

Some examples of uses of the square inch are:

  • The average size of an adult human fingernail is about 0.5 in2.
  • The standard paper size for printing documents in the United States and Canada is letter, which has an area of 93.5 in2.
  • The smallest unit of measurement for digital images is a pixel, which can have an area ranging from less than 0.00000155 in2 to more than 0.0155 in2 depending on the resolution and size of the screen.
  • The largest coin in circulation in the United States is the half dollar, which has an area of about 0.7854 in2.
  • The smallest state in the United States by area, Rhode Island, has an area of about 777 billion in2.

Example Conversions of Square Inch to Other Units

Here are some example conversions of a square inch to other units:

  • 1 square inch = 0.00064516 square meter
  • 1 square inch = 6.4516 square centimeter
  • 1 square inch = 0.00000003937 square mile
  • 1 square inch = 0.00001076 square foot
  • 1 square inch = 0.0001196 square yard
  • 1 square inch = 645.16 square micrometer
  • 1 square inch = 1000000 nanometers^2
Square inches also can be marked as in2.



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