Le stockage des données (SI) suit le système international d'unités, où 1 kilobyte (KB) équivaut à 1 000 octets, et les données sont mesurées en octets et leurs multiples.
1 YB = 1,000,000,000 PB 
1 PB = 1.0000e-9 YB 
Exemple: 
Convertir 15 Yottabyte en Pétaoctet:
15 YB = 15,000,000,000 PB 
| Yottabyte | Pétaoctet | 
|---|---|
| 0.01 YB | 10,000,000 PB | 
| 0.1 YB | 100,000,000 PB | 
| 1 YB | 1,000,000,000 PB | 
| 2 YB | 2,000,000,000 PB | 
| 3 YB | 3,000,000,000 PB | 
| 5 YB | 5,000,000,000 PB | 
| 10 YB | 10,000,000,000 PB | 
| 20 YB | 20,000,000,000 PB | 
| 30 YB | 30,000,000,000 PB | 
| 40 YB | 40,000,000,000 PB | 
| 50 YB | 50,000,000,000 PB | 
| 60 YB | 60,000,000,000 PB | 
| 70 YB | 70,000,000,000 PB | 
| 80 YB | 80,000,000,000 PB | 
| 90 YB | 90,000,000,000 PB | 
| 100 YB | 100,000,000,000 PB | 
| 250 YB | 250,000,000,000 PB | 
| 500 YB | 500,000,000,000 PB | 
| 750 YB | 750,000,000,000 PB | 
| 1000 YB | 1,000,000,000,000 PB | 
| 10000 YB | 10,000,000,000,000 PB | 
| 100000 YB | 100,000,000,000,000 PB |