La lunghezza è una grandezza fisica fondamentale che misura la distanza tra due punti.
1 pc = 3,086,000,000,000,000,000 cm 
1 cm = 3.2404e-19 pc 
Esempio: 
Convert 15 Parsec in Centimetro:
15 pc = 46,290,000,000,000,000,000 cm 
| Parsec | Centimetro | 
|---|---|
| 0.01 pc | 30,860,000,000,000,000 cm | 
| 0.1 pc | 308,600,000,000,000,000 cm | 
| 1 pc | 3,086,000,000,000,000,000 cm | 
| 2 pc | 6,172,000,000,000,000,000 cm | 
| 3 pc | 9,258,000,000,000,000,000 cm | 
| 5 pc | 15,430,000,000,000,000,000 cm | 
| 10 pc | 30,860,000,000,000,000,000 cm | 
| 20 pc | 61,720,000,000,000,000,000 cm | 
| 30 pc | 92,580,000,000,000,000,000 cm | 
| 40 pc | 123,440,000,000,000,000,000 cm | 
| 50 pc | 154,300,000,000,000,000,000 cm | 
| 60 pc | 185,160,000,000,000,000,000 cm | 
| 70 pc | 216,020,000,000,000,000,000 cm | 
| 80 pc | 246,880,000,000,000,000,000 cm | 
| 90 pc | 277,740,000,000,000,000,000 cm | 
| 100 pc | 308,600,000,000,000,000,000 cm | 
| 250 pc | 771,500,000,000,000,000,000 cm | 
| 500 pc | 1,543,000,000,000,000,000,000 cm | 
| 750 pc | 2,314,500,000,000,000,000,000 cm | 
| 1000 pc | 3,086,000,000,000,000,000,000 cm | 
| 10000 pc | 30,860,000,000,000,000,000,000 cm | 
| 100000 pc | 308,600,000,000,000,000,000,000 cm |