1 Pb = 125,000,000,000,000 bytes
Petabits (Pb) Conversion
Petabit is the unit of digital information with prefix peta (10¹⁵). 1 Petabit is equal to 10¹⁵ bits = 1.000000e+15 bits in decimal (SI). 1 Petabit is equal to 2⁵⁰ bits = 1.125900e+15 bits in binary. Also see: Terabytes.
Petabit at a Glance
- Symbol
- Pb
- System
- Decimal (SI), bit-based
- Definition
- 1,000⁵ bits = 10¹⁵ bits
- Exact value
- 125,000,000,000,000 bytes · 1.000000e+15 bits
- Binary twin
- Pebibit (Pib) 1 Pb ≈ 0.8882 Pib
- Used for
- Internet exchange points, submarine cables, global network traffic
Read Your Pb Value in Every Other Unit
Type to narrow, everything else stays on screen
| Fundamental | ||
|---|---|---|
| Bit (b) | 1.000000e+15 | b |
| Nibble (nibble) | 250,000,000,000,000 | nibble |
| Byte (B) | 125,000,000,000,000 | B |
| Decimal (SI) | ||
| Kilobyte (KB) | 125,000,000,000 | KB |
| Megabyte (MB) | 125,000,000 | MB |
| Gigabyte (GB) | 125,000 | GB |
| Terabyte (TB) | 125 | TB |
| Petabyte (PB) | 0.125 | PB |
| Exabyte (EB) | 0.000125 | EB |
| Zettabyte (ZB) | 0.000000125 | ZB |
| Yottabyte (YB) | 1.2500e-10 | YB |
| Binary (IEC) | ||
| Kibibyte (KiB) | 122,070,312,500 | KiB |
| Mebibyte (MiB) | 119,209,290 | MiB |
| Gibibyte (GiB) | 116,415.321827 | GiB |
| Tebibyte (TiB) | 113.686838 | TiB |
| Pebibyte (PiB) | 0.111022302 | PiB |
| Exbibyte (EiB) | 0.00010842 | EiB |
| Zebibyte (ZiB) | 0.000000106 | ZiB |
| Yobibyte (YiB) | 1.0340e-10 | YiB |
| Decimal Bits | ||
| Kilobit (Kb) | 1,000,000,000,000 | Kb |
| Megabit (Mb) | 1,000,000,000 | Mb |
| Gigabit (Gb) | 1,000,000 | Gb |
| Terabit (Tb) | 1,000 | Tb |
| Exabit (Eb) | 0.001 | Eb |
| Zettabit (Zb) | 0.000001 | Zb |
| Yottabit (Yb) | 0.000000001 | Yb |
| Binary Bits | ||
| Kibibit (Kib) | 976,562,500,000 | Kib |
| Mebibit (Mib) | 953,674,316 | Mib |
| Gibibit (Gib) | 931,322.574615 | Gib |
| Tebibit (Tib) | 909.494702 | Tib |
| Pebibit (Pib) | 0.88817842 | Pib |
| Exbibit (Eib) | 0.000867362 | Eib |
| Zebibit (Zib) | 0.000000847 | Zib |
| Yobibit (Yib) | 8.2718e-10 | Yib |
Petabit (Pb) Among Data Storage Units
What Is a Petabit (Pb)? Definition and Size
A petabit is 1,000 terabits or 10^15 bits. Used for measuring massive network throughput. The Pb symbol is widely used in computing to represent petabits, making it essential for storage calculations and data transfer planning. Related: Pebibytes.
Understanding how petabits relate to other storage units helps when sizing drives, planning backups, or estimating download times. Whether you're working with standard units, accurate conversion is crucial for proper capacity planning.
Common uses: Internet exchange points, submarine cables, global network traffic
1 petabit (Pb) = 125,000,000,000,000 bytes — the petabit storage unit definition used across this data storage converter.
Quick Facts: Petabit (Pb) Storage Unit
- Symbol: Pb
- Unit type: Decimal Bit
- 1 Petabit = 125,000,000,000,000 bytes
- 1 Petabit = 125,000,000,000 kilobytes (KB)
- Category: data storage converter, digital capacity calculator
How to Use the Petabit Storage Converter
- Enter a petabit (Pb) value in the converter above.
- All 35 data storage equivalents — bits, bytes, kilobytes, megabytes, gigabytes, terabytes and beyond — update instantly.
- Click any storage unit link below for a dedicated Pb-to-unit conversion page with formula and table.
Petabit at a Glance
| Symbol | Pb |
|---|---|
| Type | Decimal Bit |
| Bytes equivalent | 125,000,000,000,000 bytes |
| Common uses | Internet exchange points, submarine cables, global network traffic |
Petabit (Pb) vs Pebibit (Pib): Decimal (SI) vs Binary (IEC)
Pebibit (Pib) is 12.6% larger than Petabit (Pb). Pebibit uses base 1024 (binary/IEC — common in Windows and RAM specs); Petabit uses base 1000 (decimal/SI — the standard storage manufacturers advertise).
| Unit | Symbol | Base | Bytes |
|---|---|---|---|
| Petabit | Pb | 1000 | 125,000,000,000,000 |
| Pebibit | Pib | 1024 | 140,737,488,355,328 |
Petabits (Pb) to Bytes, KB, MB, GB, TB — Conversion Table
| Pb | Bytes | KB | MB | GB | TB |
|---|---|---|---|---|---|
| 1 | 125,000,000,000,000 | 125,000,000,000 | 125,000,000 | 125,000 | 125 |
| 5 | 625,000,000,000,000 | 625,000,000,000 | 625,000,000 | 625,000 | 625 |
| 10 | 1,250,000,000,000,000 | 1,250,000,000,000 | 1,250,000,000 | 1,250,000 | 1,250 |
| 25 | 3,125,000,000,000,000 | 3,125,000,000,000 | 3,125,000,000 | 3,125,000 | 3,125 |
| 50 | 6,250,000,000,000,000 | 6,250,000,000,000 | 6,250,000,000 | 6,250,000 | 6,250 |
| 100 | 12,500,000,000,000,000 | 12,500,000,000,000 | 12,500,000,000 | 12,500,000 | 12,500 |
| 500 | 62,500,000,000,000,000 | 62,500,000,000,000 | 62,500,000,000 | 62,500,000 | 62,500 |
| 1,000 | 125,000,000,000,000,000 | 125,000,000,000,000 | 125,000,000,000 | 125,000,000 | 125,000 |
FAQs: Petabit (Pb) Storage Conversion
How many bytes are in 1 petabit?
1 Petabit (Pb) equals 125,000,000,000,000 bytes.
How do I convert petabits to other data storage units?
Enter a value in the petabits field above — the converter instantly recalculates the equivalent in all 35 storage units, from bits to yottabytes, using the Pb to bits conversion factor.
Is a petabit the same as a byte?
No. 1 petabit (Pb) equals 125,000,000,000,000 bytes, not a single byte.
What is a petabit (Pb) commonly used for?
Internet exchange points, submarine cables, global network traffic.
What is the difference between Petabit (Pb) and Pebibit (Pib)?
Pebibit (Pib) is 12.6% larger than Petabit (Pb). Petabit is the decimal (SI) unit, base 1000, while Pebibit is the binary (IEC) unit, base 1024.
Convert Petabits to Any Other Unit
Every Pb conversion page is one click away.