How many astronomical unit in 1 millimetre?
The answer is 6.6845871226706E-15.
We assume you are converting between astronomical unit and millimetre.
You can view more details on each measurement unit:
astronomical unit or millimetre
The SI base unit for length is the metre.
1 metre is equal to 6.6845871226706E-12 astronomical unit, or 1000 millimetre.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between astronomical units and millimetres.
Type in your own numbers in the form to convert the units!
1 astronomical unit to millimetre = 1.49597870691E+14 millimetre
2 astronomical unit to millimetre = 2.99195741382E+14 millimetre
3 astronomical unit to millimetre = 4.48793612073E+14 millimetre
4 astronomical unit to millimetre = 5.98391482764E+14 millimetre
5 astronomical unit to millimetre = 7.47989353455E+14 millimetre
6 astronomical unit to millimetre = 8.97587224146E+14 millimetre
7 astronomical unit to millimetre = 1.047185094837E+15 millimetre
8 astronomical unit to millimetre = 1.196782965528E+15 millimetre
9 astronomical unit to millimetre = 1.346380836219E+15 millimetre
10 astronomical unit to millimetre = 1.49597870691E+15 millimetre
You can do the reverse unit conversion from millimetre to astronomical unit, or enter any two units below:
astronomical unit to U
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astronomical unit to stick
astronomical unit to t'sun
astronomical unit to bohr
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".
A millimetre (American spelling: millimeter, symbol mm) is one thousandth of a metre, which is the International System of Units (SI) base unit of length. The millimetre is part of a metric system. A corresponding unit of area is the square millimetre and a corresponding unit of volume is the cubic millimetre.
ConvertUnits.com provides an online conversion calculator for all types of measurement units. You can find metric conversion tables for SI units, as well as English units, currency, and other data. Type in unit symbols, abbreviations, or full names for units of length, area, mass, pressure, and other types. Examples include mm, inch, 100 kg, US fluid ounce, 6'3", 10 stone 4, cubic cm, metres squared, grams, moles, feet per second, and many more!