Astronomical units
What is a astronomical unit? One astronomical unit equals exactly 1.495978707 × 10¹¹ m. Convert au to mm, cm, m and 5 more units.
About these units
One astronomical unit equals exactly 1.495978707 × 10¹¹ m.
Also known as
astronomical-units · au · astronomical unit · astronomical units · AU · ua
Source: BIPM SI Brochure, 9th edition — SI prefixes and accepted non-SI units
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