## ››Convert square astronomical unit to square millimicron

 square astronomical unit square millimicron

How many square astronomical unit in 1 square millimicron? The answer is 4.4683704831421E-41.
We assume you are converting between square astronomical unit and square millimicron.
You can view more details on each measurement unit:
square astronomical unit or square millimicron
The SI derived unit for area is the square meter.
1 square meter is equal to 4.4683704831421E-23 square astronomical unit, or 1.0E+18 square millimicron.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between square astronomical units and square millimicrons.
Type in your own numbers in the form to convert the units!

## ››Quick conversion chart of square astronomical unit to square millimicron

1 square astronomical unit to square millimicron = 2.2379523E+40 square millimicron

2 square astronomical unit to square millimicron = 4.4759046E+40 square millimicron

3 square astronomical unit to square millimicron = 6.7138569E+40 square millimicron

4 square astronomical unit to square millimicron = 8.9518092E+40 square millimicron

5 square astronomical unit to square millimicron = 1.11897615E+41 square millimicron

6 square astronomical unit to square millimicron = 1.34277138E+41 square millimicron

7 square astronomical unit to square millimicron = 1.56656661E+41 square millimicron

8 square astronomical unit to square millimicron = 1.79036184E+41 square millimicron

9 square astronomical unit to square millimicron = 2.01415707E+41 square millimicron

10 square astronomical unit to square millimicron = 2.2379523E+41 square millimicron

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## ››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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