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 PB = 0.001 EB 
1 EB = 1,000 PB 
Exemple: 
Convertir 15 Pétaoctet en Exabytet:
15 PB = 0.015 EB 
| Pétaoctet | Exabytet | 
|---|---|
| 0.01 PB | 1.0000e-5 EB | 
| 0.1 PB | 0 EB | 
| 1 PB | 0.001 EB | 
| 2 PB | 0.002 EB | 
| 3 PB | 0.003 EB | 
| 5 PB | 0.005 EB | 
| 10 PB | 0.01 EB | 
| 20 PB | 0.02 EB | 
| 30 PB | 0.03 EB | 
| 40 PB | 0.04 EB | 
| 50 PB | 0.05 EB | 
| 60 PB | 0.06 EB | 
| 70 PB | 0.07 EB | 
| 80 PB | 0.08 EB | 
| 90 PB | 0.09 EB | 
| 100 PB | 0.1 EB | 
| 250 PB | 0.25 EB | 
| 500 PB | 0.5 EB | 
| 750 PB | 0.75 EB | 
| 1000 PB | 1 EB | 
| 10000 PB | 10 EB | 
| 100000 PB | 100 EB |