Petabit
| Multiples of bits | ||||||
|---|---|---|---|---|---|---|
| SI prefixes | Binary prefixes | |||||
| Name | Symbol | Multiple | Name | Symbol | Multiple | |
| Kilobit | kbit | 103 (or 210) | Kibibit | Kibit | 210 | |
| Megabit | Mbit | 106 (or 220) | Mebibit | Mibit | 220 | |
| Gigabit | Gbit | 109 (or 230) | Gibibit | Gibit | 230 | |
| Terabit | Tbit | 1012 (or 240) | Tebibit | Tibit | 240 | |
| petabit | Pbit | 1015 (or 250) | Pebibit | Pibit | 250 | |
| Exabit | Ebit | 1018 (or 260) | Exbibit | Eibit | 260 | |
| Zettabit | Zbit | 1021 (or 270) | ||||
| Yottabit | Ybit | 1024 (or 280) | ||||
A petabit is a unit of Information or Computer storage, abbreviated Pbit or sometimes Pb.
1 petabit = 1015 bits = 1,000,000,000,000,000 bits (one Quadrillion, long scale: one Billiard)
The petabit is closely related to the Pebibit, which is equal to 250 bits.