数据存储（SI）遵循国际单位系统，其中1千键（KB）等于1,000个字节，并且数据以字节及其倍数为单位。
1 PB = 1,000,000,000,000,000 B
1 B = 1.0000e-15 PB
例子:
将15 PETABYTE转换为字节：
15 PB = 15,000,000,000,000,000 B
| PETABYTE | 字节 |
|---|---|
| 0.01 PB | 10,000,000,000,000 B |
| 0.1 PB | 100,000,000,000,000 B |
| 1 PB | 1,000,000,000,000,000 B |
| 2 PB | 2,000,000,000,000,000 B |
| 3 PB | 3,000,000,000,000,000 B |
| 5 PB | 5,000,000,000,000,000 B |
| 10 PB | 10,000,000,000,000,000 B |
| 20 PB | 20,000,000,000,000,000 B |
| 30 PB | 30,000,000,000,000,000 B |
| 40 PB | 40,000,000,000,000,000 B |
| 50 PB | 50,000,000,000,000,000 B |
| 60 PB | 60,000,000,000,000,000 B |
| 70 PB | 70,000,000,000,000,000 B |
| 80 PB | 80,000,000,000,000,000 B |
| 90 PB | 90,000,000,000,000,000 B |
| 100 PB | 100,000,000,000,000,000 B |
| 250 PB | 250,000,000,000,000,000 B |
| 500 PB | 500,000,000,000,000,000 B |
| 750 PB | 750,000,000,000,000,000 B |
| 1000 PB | 1,000,000,000,000,000,000 B |
| 10000 PB | 10,000,000,000,000,000,000 B |
| 100000 PB | 100,000,000,000,000,000,000 B |
规则