**Full name:** square astronomical unit

**Plural form:** square astronomical units

**Category type:** area

**Scale factor:** 2.2379523E+22

The SI derived unit for area is the square meter.

1 square meter is equal to 4.4683704831421E-23 square astronomical unit.

Valid units must be of the **area** type.

You can use this form to select from known units:

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".

square astronomical unit to legua

square astronomical unit to square megametre

square astronomical unit to tatami

square astronomical unit to acre [commercial]

square astronomical unit to hundred

square astronomical unit to square chain [Ramden, Engineer]

square astronomical unit to oxgang

square astronomical unit to tarea

square astronomical unit to square perch

square astronomical unit to stremma