# Square Millimeters to Square Microns Converter

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Convert Square Microns to Square Millimeters (sq µ to sq mm) ▶

## Conversion Table

 square millimeters to square microns sq mm sq µ 1 sq mm 1000000 sq µ 2 sq mm 2000000 sq µ 3 sq mm 3000000 sq µ 4 sq mm 4000000 sq µ 5 sq mm 5000000 sq µ 6 sq mm 6000000 sq µ 7 sq mm 7000000 sq µ 8 sq mm 8000000 sq µ 9 sq mm 9000000 sq µ 10 sq mm 10000000 sq µ 11 sq mm 11000000 sq µ 12 sq mm 12000000 sq µ 13 sq mm 13000000 sq µ 14 sq mm 14000000 sq µ 15 sq mm 15000000 sq µ 16 sq mm 16000000 sq µ 17 sq mm 17000000 sq µ 18 sq mm 18000000 sq µ 19 sq mm 19000000 sq µ 20 sq mm 20000000 sq µ

## How to convert

1 square millimeter (sq mm) = 1000000 square micron (sq µ). Square Millimeter (sq mm) is a unit of Area used in Metric system. Square Micron (sq µ) is a unit of Area used in Metric system.

## Square Millimeter: A Unit of Area

A square millimeter is a unit of area in the metric system. It is equal to the area of a square with sides that measure 1 millimeter. The symbol for square millimeter is mm2.

## Definition of the Square Millimeter

The square millimeter is defined as the area of a square that has a side length of 1 millimeter. This is equivalent to 0.000001 square meter, or 0.00155 square inch, or 0.00001076 square foot.

The square millimeter is a derived unit in the International System of Units (SI), which means that it is derived from the base unit of length, the meter. It is also a coherent unit, which means that it does not require any conversion factor when used with other SI units.

## History of the Square Millimeter

The square millimeter was introduced in France in 1795 as part of the metric system, which aimed to simplify and standardize the units of measurement. The metric system was based on the decimal system, which used powers of ten to relate different units of the same quantity.

The square millimeter was originally intended to be a unit of area equal to one hundredth of a square centimeter, or one ten-millionth of a square meter. However, due to a mistake in the definition of the meter at that time, the actual area of a square millimeter was slightly smaller than intended. This error was corrected in 1889, when the meter was redefined based on the distance between two marks on a platinum-iridium bar kept in Paris.

The square millimeter became widely used throughout the world for measuring small areas, especially in science, engineering, and medicine. It is also used in some everyday applications, such as measuring jewelry size, paper thickness, and screen resolution.

## How to Convert Square Millimeter to Other Units

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

• 1 square millimeter = 0.000001 square meter
• 1 square millimeter = 0.01 square centimeter
• 1 square millimeter = 0.000000001 square kilometer
• 1 square millimeter = 0.00155 square inch
• 1 square millimeter = 0.00001076 square foot
• 1 square millimeter = 0.0000001196 square yard

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

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

50 square centimeters x (100 mm2 / 1 cm2) = 5000 mm2

## Where Square Millimeter is Used

The square millimeter is commonly used in many countries for measuring small areas, especially in science, engineering, and medicine. It is also used in some everyday applications, such as measuring jewelry size, paper thickness, and screen resolution.

Some examples of uses of the square millimeter are:

• The average diameter of a human hair is about 100 micrometers, which is equivalent to an area of about 0.008 mm2.
• The standard paper size for printing documents in most countries is A4, which has an area of about 623700 mm2.
• The smallest unit of measurement for digital images is a pixel, which can have an area ranging from less than 1 mm2 to more than 100 mm2 depending on the resolution and size of the screen.
• The largest diamond ever found was the Cullinan diamond, which had an original weight of about 3106 carats and an estimated surface area of about 50000 mm2.
• The smallest country in the world by area, Vatican City, has an area of about 44 billion mm2.

## Example Conversions of Square Millimeter to Other Units

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

• 1 square millimeter = 0.000001 square meter
• 1 square millimeter = 0.01 square centimeter
• 1 square millimeter = 0.000000001 square kilometer
• 1 square millimeter = 0.00155 square inch
• 1 square millimeter = 0.00001076 square foot
• 1 square millimeter = 0.0000001196 square yard
• 1 square millimeter = 1000000 nanometers^2

## Square Micron: A Unit of Area

A square micron is a unit of area in the metric system. It is equal to the area of a square with sides that measure 1 micron. The symbol for square micron is μm2.

## Definition of the Square Micron

The square micron is defined as the area of a square that has a side length of 1 micron. This is equivalent to 0.000000000001 square meter, or 0.00000000155 square inch, or 0.00000000001076 square foot.

The square micron is a derived unit in the International System of Units (SI), which means that it is derived from the base unit of length, the meter. It is also a coherent unit, which means that it does not require any conversion factor when used with other SI units.

## History of the Square Micron

The square micron was introduced in France in 1795 as part of the metric system, which aimed to simplify and standardize the units of measurement. The metric system was based on the decimal system, which used powers of ten to relate different units of the same quantity.

The square micron was originally intended to be a unit of area equal to one hundredth of a square millimeter, or one ten-billionth of a square meter. However, due to a mistake in the definition of the meter at that time, the actual area of a square micron was slightly smaller than intended. This error was corrected in 1889, when the meter was redefined based on the distance between two marks on a platinum-iridium bar kept in Paris.

The square micron became widely used throughout the world for measuring very small areas, especially in science, engineering, and medicine. It is also used in some everyday applications, such as measuring cell size, dust particles, and surface roughness.

## How to Convert Square Micron to Other Units

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

• 1 square micron = 0.000000000001 square meter
• 1 square micron = 0.000001 square millimeter
• 1 square micron = 0.0001 square centimeter
• 1 square micron = 0.00000000155 square inch
• 1 square micron = 0.00000000001076 square foot
• 1 square micron = 0.0000000000001196 square yard

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

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

50 square millimeters x (1000000 μm2 / 1 mm2) = 50000000 μm2

## Where Square Micron is Used

The square micron is commonly used in many countries for measuring very small areas, especially in science, engineering, and medicine. It is also used in some everyday applications, such as measuring cell size, dust particles, and surface roughness.

Some examples of uses of the square micron are:

• The average diameter of a human red blood cell is about 7 micrometers, which is equivalent to an area of about 38 μm2.
• The standard paper size for printing documents in most countries is A4, which has an area of about 62370000000 μm2.
• The smallest unit of measurement for digital images is a pixel, which can have an area ranging from less than 1 μm2 to more than 10000 μm2 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 1 micrometer) and an area of about 0.785 μm2.
• The smallest country in the world by area, Vatican City, has an area of about 44 trillion μm2.

## Example Conversions of Square Micron to Other Units

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

• 1 square micron = 0.000000000001 square meter
• 1 square micron = 0.000001 square millimeter
• 1 square micron = 0.0001 square centimeter
• 1 square micron = 0.00000000155 square inch
• 1 square micron = 0.00000000001076 square foot
• 1 square micron = 0.0000000000001196 square yard
• 1 square micron = 1000 nanometers^2
micron is another name for micrometer.

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