Au light years converter

Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between light years and astronomical units. Type in your own numbers in the form to convert the units! You can do the reverse unit conversion from AU to light years , or enter any two units below:. A light year, abbreviated ly, is the distance light travels in one year: roughly 9. Thank you. Justin XoXo :. The astronomical unit symbol au, or ua is a unit of length, roughly the distance from Earth to the Sun.

However, that distance varies as Earth orbits the Sun, from a maximum aphelion to a minimum perihelion and back again once a year. 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.

A light year, abbreviated ly, is the distance light travels in one year: roughly 9. 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 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, kg, US fluid ounce, 6'3", 10 stone 4, cubic cm, metres squared, grams, moles, feet per second, and many more!