›› Convert acre to square astronomical unit


acre
square astronomical unit

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acre [commercial]
acre [Ireland]
acre [survey]
to square astronomical unit

›› More information from the unit converter

How many acre in 1 square astronomical unit? The answer is 5.5301005679682E+18.
We assume you are converting between acre and square astronomical unit.
You can view more details on each measurement unit:
acre or square astronomical unit
The SI derived unit for area is the square meter.
1 square meter is equal to 0.00024710538146717 acre, 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 acres and square astronomical units.
Type in your own numbers in the form to convert the units!


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›› Definition: Acre

An acre is a measure of land area in Imperial units or U.S. customary units. It is equal to 43 560 square feet, 4840 square yards, or 160 square rods. The precise meaning of this depends on the exact definition adopted for a foot: the international acre is 4 046.856 422 4 mē (for the UK, see). For measurements based specifically on the US survey foot the US survey acre is ca. 4 046.872 610 mē.


›› 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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