Convertisseur Parsec en Année-Lumière — Formule
## Parsec Conversion
**1 pc = 206 265 AU ≈ 3.2616 ly ≈ 3.0857 × 10¹³ km**
Parsecs are the natural unit in stellar astronomy because they link directly to parallax measurement.
**1 pc = 206 265 AU ≈ 3.2616 ly ≈ 3.0857 × 10¹³ km**
Parsecs are the natural unit in stellar astronomy because they link directly to parallax measurement.
Exemple Résolu
Sirius is about 2.64 parsecs away.
- ly = 2.64 × 3.26156 = 8.610 ly
- AU = 2.64 × 206265 = 544 539 AU
- km = 2.64 × 3.0857e13 ≈ 8.146e13 km