Parsec Conversions

Use this easy and mobile-friendly calculator to convert between Parsecs and other units of Astronomy.
swap units ↺
1 Parsec ≈
3.2615638 Light Years
result rounded
Decimal places
A parsec is a unit of distance used in astronomy. It is exactly 648,000 / Pi astronomical units, or approximately 30.9 trillion kilometers.
Light Years
A light year is the distance that light travels in one year. The year used by the International Astronomical Union is 365.25 days. A light year is defined as exactly 9,460,730,472,580.8 kilometers.