Convert AU to ly - Conversion of Measurement Units
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How many AU in 1 ly? The answer is 63241.077088071. We assume you are converting between astronomical unit and light year. You can view more details on each measurement unit: AU or ly The SI base unit for length is the metre. 1 metre is equal to 6.6845871226706E-12 AU, or 1.0570008340246E-16 ly. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between astronomical units and light years. Type in your own numbers in the form to convert the units!
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You can do the reverse unit conversion from ly to AU, or enter any two units below:
Common length conversions
AU to micromicron AU to zoll AU to button measure AU to fall AU to klick AU to megalight-year AU to quarter AU to ken AU to pole AU to meile
Definition: Astronomical unit
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".
Definition: Light-year
A light year, abbreviated ly, is the distance light travels in one year: roughly 9.46 × 1012 kilometres (9.46 petametres, or about 5.88 × 1012 (nearly six trillion) miles). More specifically, a light year is defined as the distance that a photon would travel, in free space and infinitely far away from any gravitational or magnetic fields, in one Julian year (365.25 days of 86400 seconds each).
Metric conversions and more
[BLOGURL] 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!
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