Petabyte (PB)

Decimal (SI) Unit | 1 PB = 1015 or 10005 Bytes
  • b
  • N
  • B
  • kb
  • Kib
  • kB
  • KiB
  • Mb
  • Mib
  • MB
  • MiB
  • Gb
  • Gib
  • GB
  • GiB
  • Tb
  • Tib
  • TB
  • TiB
  • Pb
  • Pib
  • PB
  • PiB
  • Eb
  • Eib
  • EB
  • EiB
  • Zb
  • Zib
  • ZB
  • ZiB
  • Yb
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"Petabyte (PB) Comparison Diagram"

One Petabyte is equal to 1015 or 10005 Bytes. Petabyte is a decimal unit defined as per SI standard. 1 Petabyte = 1000 Terabytes. The unit symbol for Petabyte is PB. Petabyte is not same as Pebibyte (PiB) that contains 1024^5 bytes. 1000 Petabytes = 1 Exabyte (EB).

Related Units:

Petabit (Pb) Pebibit (Pib) check Petabyte (PB) Pebibyte (PiB)
toc Table of Contents

Petabyte - Quick Overview

Below is a quick overview of the Petabyte (PB), including its technical definitions, common real-world uses, and everyday file size examples.

Unit Name:
Petabyte
Unit Symbol:
PB
Base System:
Decimal (SI)
Exponential Value:
1015 or 10005 Bytes
Exact Value:
1,000,000,000,000,000 Bytes
1,000 TB
Binary Counterpart:
Pebibyte(PiB)
Approximate Size (Binary):
≈ 0.8882 PiB
Applications & Context:
Large-scale data centers
Cloud provider storage pools
National archive systems
Big data analytics platforms
Practical Examples:
Facebook stores ~100 PB of photos
Waymo collects ~1 PB/day of sensor data
Large genome dataset: ~1 PB
Related Conversions:
PB → TBPB → EBPB → PiB

Petabyte (PB) vs Pebibyte (PiB)

1 PB = 0.88817841970012523233890533447265625 PiB
1 PiB = 1.125899906842624 PB

Petabyte (PB) and Pebibyte (PiB) are both units used to measure digital data, but they belong to different measurement systems and are used in different contexts. Petabyte is part of the decimal (base-10) system and is commonly used to describe file sizes and storage capacity, while Pebibyte belongs to the binary (base-2) system and is often used in computing and memory-related calculations. Understanding the difference between these units helps avoid confusion when comparing data sizes across systems.

Name
Petabyte
Pebibyte
Symbol
PB
PiB
Size
Smaller
Larger
Value
1,0005 Bytes
(1,000,000,000,000,000 Bytes)
1,0245 Bytes
(1,125,899,906,842,624 Bytes)
Relation
1 PB = 0.88817841970012523233890533447265625 PiB
1 PiB = 1.125899906842624 PB
Type
decimal (SI)
binary (IEC)

Convert Petabyte (PB) to Other Data Units

Enter a value for Petabyte to instantly convert it to other common data units. The tool calculates equivalent values for Bit, Byte, Kilobyte, Megabyte, Mebibyte, Gigabyte and other larger units, making it easy to compare file sizes and data measurements at a glance.

PB keyboard_arrow_down
info 1 PB (decimal) = 0.888178419700125232338905334473 PiB (binary)

Summary

  • A Petabyte (PB) is a unit of digital information storage used to denote the size of data
  • It is based on the decimal system, which is used in telecommunications and networking
  • One Petabyte is equal to 1,000,000,000,000,000 bytes, or 1000 Terabytes
  • This unit is part of the International System of Units (SI)

FAQs

  • What is a Petabyte?

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    A Petabyte (PB) is a unit of digital information storage used to denote the size of data. It is based on the decimal system, which is used in telecommunications and networking. One Petabyte is equal to 1,000,000,000,000,000 bytes, or 1000 Terabytes. This unit is part of the International System of Units (SI).

  • How many bits are in a Petabyte?

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    One Petabyte (PB) is equal to 8,000,000,000,000,000 Bits.

  • Is a Petabyte a decimal or binary unit?

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    Petabyte is a decimal (SI) unit based on powers of 1,000.

  • How many Bytes are in a Petabyte?

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    One Petabyte (PB) is equal to 1,000,000,000,000,000 Bytes.

  • How many TB are in a Petabyte?

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    One Petabyte (PB) is equal to 1,000 TB.

  • What is one Petabyte in binary units?

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    One Petabyte (PB) is approximately 0.8882 PiB.

  • What is a Petabyte commonly used for?

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    Petabyte is commonly used for Large-scale data centers, Cloud provider storage pools, National archive systems, and Big data analytics platforms.

  • What are some examples of Petabyte usage?

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    Examples include Facebook stores ~100 PB of photos, Waymo collects ~1 PB/day of sensor data, and Large genome dataset: ~1 PB.