1 PB = 1.000000e+15 bytes
Petabytes (PB) Conversion
Petabyte is the unit of digital information with prefix peta (10¹⁵). 1 Petabyte is equal to 10¹⁵ bytes = 1.000000e+15 bytes in decimal (SI). 1 Petabyte is equal to 2⁵⁰ bytes = 1.125900e+15 bytes in binary. Also see: Megabytes.
Petabyte at a Glance
- Symbol
- PB
- System
- Decimal (SI)
- Definition
- 1,000⁵ bytes = 10¹⁵ bytes
- Exact value
- 1.000000e+15 bytes · 8.000000e+15 bits
- Binary twin
- Pebibyte (PiB) 1 PB ≈ 0.8882 PiB
- Used for
- Data centers, cloud storage providers, scientific research, enterprise archives
Read Your PB Value in Every Other Unit
Type to narrow, everything else stays on screen
| Fundamental | ||
|---|---|---|
| Bit (b) | 8.000000e+15 | b |
| Nibble (nibble) | 2.000000e+15 | nibble |
| Byte (B) | 1.000000e+15 | B |
| Decimal (SI) | ||
| Kilobyte (KB) | 1,000,000,000,000 | KB |
| Megabyte (MB) | 1,000,000,000 | MB |
| Gigabyte (GB) | 1,000,000 | GB |
| Terabyte (TB) | 1,000 | TB |
| Exabyte (EB) | 0.001 | EB |
| Zettabyte (ZB) | 0.000001 | ZB |
| Yottabyte (YB) | 0.000000001 | YB |
| Binary (IEC) | ||
| Kibibyte (KiB) | 976,562,500,000 | KiB |
| Mebibyte (MiB) | 953,674,316 | MiB |
| Gibibyte (GiB) | 931,322.574615 | GiB |
| Tebibyte (TiB) | 909.494702 | TiB |
| Pebibyte (PiB) | 0.88817842 | PiB |
| Exbibyte (EiB) | 0.000867362 | EiB |
| Zebibyte (ZiB) | 0.000000847 | ZiB |
| Yobibyte (YiB) | 8.2718e-10 | YiB |
| Decimal Bits | ||
| Kilobit (Kb) | 8,000,000,000,000 | Kb |
| Megabit (Mb) | 8,000,000,000 | Mb |
| Gigabit (Gb) | 8,000,000 | Gb |
| Terabit (Tb) | 8,000 | Tb |
| Petabit (Pb) | 8 | Pb |
| Exabit (Eb) | 0.008 | Eb |
| Zettabit (Zb) | 0.000008 | Zb |
| Yottabit (Yb) | 0.000000008 | Yb |
| Binary Bits | ||
| Kibibit (Kib) | 7,812,500,000,000 | Kib |
| Mebibit (Mib) | 7,629,394,531 | Mib |
| Gibibit (Gib) | 7,450,581 | Gib |
| Tebibit (Tib) | 7,275.957614 | Tib |
| Pebibit (Pib) | 7.105427 | Pib |
| Exbibit (Eib) | 0.006938894 | Eib |
| Zebibit (Zib) | 0.000006776 | Zib |
| Yobibit (Yib) | 0.000000007 | Yib |
Petabyte (PB) Among Data Storage Units
What Is a Petabyte (PB)? Definition and Size
A petabyte is 1,000 terabytes or 1,000,000,000,000,000 bytes. Used for large-scale enterprise and cloud storage. The PB symbol is widely used in computing to represent petabytes, making it essential for storage calculations and data transfer planning. Related: Gigabits.
Understanding how petabytes relate to other storage units helps when sizing drives, planning backups, or estimating download times. Whether you're working with decimal (SI) units, accurate conversion is crucial for proper capacity planning.
Common uses: Data centers, cloud storage providers, scientific research, enterprise archives See also: Zettabytes.
1 petabyte (PB) = 1.000000e+15 bytes — the petabyte storage unit definition used across this data storage converter.
Quick Facts: Petabyte (PB) Storage Unit
- Symbol: PB
- Unit type: Decimal (SI) — Base 1000
- 1 Petabyte = 1.000000e+15 bytes
- 1 Petabyte = 1,000,000,000,000 kilobytes (KB)
- Category: data storage converter, digital capacity calculator
How to Use the Petabyte Storage Converter
- Enter a petabyte (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.
Petabyte at a Glance
| Symbol | PB |
|---|---|
| Type | Decimal (SI) — Base 1000 |
| Bytes equivalent | 1.000000e+15 bytes |
| Common uses | Data centers, cloud storage providers, scientific research, enterprise archives |
Petabyte (PB) vs Pebibyte (PiB): Decimal (SI) vs Binary (IEC)
Pebibyte (PiB) is 12.6% larger than Petabyte (PB). Pebibyte uses base 1024 (binary/IEC — common in Windows and RAM specs); Petabyte uses base 1000 (decimal/SI — the standard storage manufacturers advertise).
| Unit | Symbol | Base | Bytes |
|---|---|---|---|
| Petabyte | PB | 1000 | 1.000000e+15 |
| Pebibyte | PiB | 1024 | 1.125900e+15 |
Petabytes (PB) to Bytes, KB, MB, GB, TB — Conversion Table
| PB | Bytes | KB | MB | GB | TB |
|---|---|---|---|---|---|
| 1 | 1,000,000,000,000,000 | 1,000,000,000,000 | 1,000,000,000 | 1,000,000 | 1,000 |
| 5 | 5,000,000,000,000,000 | 5,000,000,000,000 | 5,000,000,000 | 5,000,000 | 5,000 |
| 10 | 10,000,000,000,000,000 | 10,000,000,000,000 | 10,000,000,000 | 10,000,000 | 10,000 |
| 25 | 25,000,000,000,000,000 | 25,000,000,000,000 | 25,000,000,000 | 25,000,000 | 25,000 |
| 50 | 50,000,000,000,000,000 | 50,000,000,000,000 | 50,000,000,000 | 50,000,000 | 50,000 |
| 100 | 100,000,000,000,000,000 | 100,000,000,000,000 | 100,000,000,000 | 100,000,000 | 100,000 |
| 500 | 500,000,000,000,000,000 | 500,000,000,000,000 | 500,000,000,000 | 500,000,000 | 500,000 |
| 1,000 | 1,000,000,000,000,000,000 | 1,000,000,000,000,000 | 1,000,000,000,000 | 1,000,000,000 | 1,000,000 |
FAQs: Petabyte (PB) Storage Conversion
How many bytes are in 1 petabyte?
1 Petabyte (PB) equals 1.000000e+15 bytes.
How do I convert petabytes to other data storage units?
Enter a value in the petabytes 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 petabyte the same as a byte?
No. 1 petabyte (PB) equals 1.000000e+15 bytes, not a single byte.
What is a petabyte (PB) commonly used for?
Data centers, cloud storage providers, scientific research, enterprise archives.
What is the difference between Petabyte (PB) and Pebibyte (PiB)?
Pebibyte (PiB) is 12.6% larger than Petabyte (PB). Petabyte is the decimal (SI) unit, base 1000, while Pebibyte is the binary (IEC) unit, base 1024.
Convert Petabytes to Any Other Unit
Every PB conversion page is one click away.