Convert astronomical unit to mil Online | Free Length Converter

Astronomical Unit

An astronomical unit (AU) is a unit of distance used in astronomy to describe the average distance between the Earth and the Sun. It equals about 149.6 million kilometers (or about 93 million miles). The AU is useful for measuring distances within our solar system, such as the distance from Earth to other planets. For example, Mars is about 1.5 AU from the Sun. Using the AU makes it easier to understand and compare distances between planets without dealing with very large numbers. The symbol for astronomical unit is "AU".

Mil

A mil is a unit of length commonly used in engineering and manufacturing to measure very small distances, especially thicknesses. It is equal to one-thousandth of an inch (0.001 inch), which is approximately 0.0254 millimeters.

The mil is widely used in industries like plastic film, coatings, wire diameter, and mechanical parts, where precise measurements of thin materials are necessary. It should not be confused with the millimeter, which is 0.001 meters or 1,000 microns — much larger than a mil.

Key points:

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  1 mil = 0.001 inch = 0.0254 mm

  
  
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  Used mainly for small thicknesses or diameters

  
  
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  Common in engineering, manufacturing, and material sciences

  
  
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  Not to be confused with millimeter (mm)

  
  

The mil remains an important unit in technical fields where fine measurement is critical.