Unit Converter

Astronomical Units to Light Seconds - Convert au to light second


Astronomical Units (au) Conversion

Astronomical unit is a unit of length which describes the average distance between the Earth and the sun and is used to measure distances in the Solar system. This unit is accepted by the SI system. The exact numbers vary as Earth orbits the Sun from a maximum (aphelion) to a minimum (perihelion). Since 2012, the Astronomical unit has been defined as exactly equal to 149597870700 meters or about 150 million kilometers (93 million miles).

Light Seconds (light second) Conversion

A light second is a unit of length used in astronomy defined as the distance covered by light in a vacuum for one second. This distance is exactly 299792458 meters (about 186282.4 miles).

Popular Unit Conversions