›› Convert square mil to square astronomical unit


square mil
square astronomical unit


›› More information from the unit converter

How many square mil in 1 square astronomical unit? The answer is 3.468833002666E+31.
We assume you are converting between square mil and square astronomical unit.
You can view more details on each measurement unit:
square mil or square astronomical unit
The SI derived unit for area is the square meter.
1 square meter is equal to 1550003100.0062 square mil, or 4.4683704831421E-23 square astronomical unit.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between square mil and square astronomical units.
Type in your own numbers in the form to convert the units!



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›› Definition: Square mil

A square mil is defined as the area of a square with sides one mil in length.

The definition of a mil is as follows:

A milliradian, often called a mil or mrad, is an SI derived unit for angular measurement which is defined as a thousandth of a radian (0.001 radian).

Compass use of mils typically rounds 6283 to 6400 for simplification, but here we use the official definition.


›› Definition: Square astronomical unit

A square astronomical unit is defined as the area of a square with sides one astronomical unit in length.

The definition of a astronomical unit is as follows:

The astronomical unit (AU or au or a.u. or sometimes ua) is a unit of length. It is approximately equal to the mean distance between the Earth and Sun. The currently accepted value of the AU is 149 597 870 691 ± 30 metres (about 150 million kilometres or 93 million miles).

The symbol "ua" is recommended by the Bureau International des Poids et Mesures, but in the United States and other anglophone countries the reverse usage is more common. The International Astronomical Union recommends "au" and international standard ISO 31-1 uses "AU".


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