Convert Petabytes to Bits
Convert Petabytes (PB) to Bits (b) instantly and accurately.
Conversion Formula
b = PB × 8.000000000e+15
About Petabytes
A petabyte (PB) = 10¹⁵ bytes (SI). Major platforms operate at PB scale: Meta ingests > 4 PB/day; YouTube adds several PB of video content daily. CERN Run 3 produced ≈ 90 PB in 2022. 1,000-genome cohort (WGS at 30×) ≈ 0.4 PB. English Wikipedia with media ≈ 10 PB. A rack of Blu-ray cold storage (Facebook Project Amber) holds 1 PB. 1 PB = 10¹⁵ bytes = 1,000 TB.
About Bits
The bit (b) is the fundamental unit of digital information - a single binary digit: 0 or 1. Coined by John Tukey in 1948; formalised by Claude Shannon. Physically realised as transistor states (SRAM/DRAM), magnetic domains (HDD), charge levels in NAND flash (MLC=2, TLC=3, QLC=4 bits per cell). Shannon entropy: a coin flip = 1 bit; a card drawn from a 52-card deck ≈ 5.7 bits. 1 bit = 1/4 nibble = 1/8 byte.
Quick Reference Table
| Petabytes (PB) | Bits (b) |
|---|---|
| 1 PB | 8 × 1015 b |
| 2 PB | 1.6 × 1016 b |
| 5 PB | 4 × 1016 b |
| 10 PB | 8 × 1016 b |
| 25 PB | 2 × 1017 b |
| 50 PB | 4 × 1017 b |
| 100 PB | 8 × 1017 b |