Go the distance with easy unit conversions. Whether you're measuring in miles or meters, kilometers or yards, our tool helps you cross the finish line without breaking stride.
A parsec (pc) is a unit of length used in astronomy, representing the distance at which one astronomical unit subtends an angle of one arcsecond, approximately 3.086 trillion kilometers (about 3.262 light years).
An astronomical unit (AU) is a unit of length used in astronomy, representing the average distance between the Earth and the Sun, approximately 149.6 million kilometers (about 93 million miles).