Convert 640 Parsecs to Light Years
How far is 640 parsecs? How long is 640 parsecs in light years? 640 pc to ly conversion.
From
To
swap units ↺
640 Parsecs ≈
2,087.4008 Light Years
result rounded
Decimal places
Result in Plain English
640 parsecs is equal to about 2,090 light years.
In Scientific Notation
640 parsecs
= 6.4 x 102 parsecs
≈ 2.0874 x 103 light years
Parsecs
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.