UnitConvConvert
Data

Convert petabytes to bytes

1 PB=1.0000e15B

Use the converter below to change any petabytes value into bytes instantly — with formula, conversion table, and real-world examples.

1.0000e15

Conversion formula

Forward
bytes = petabytes × 1.0000e15
Reverse
petabytes = bytes × 1.0000e-15

Example: 10 PB × 1.0000e15 = 1.0000e16 B.

About both units

From

Petabyte

PB

The petabyte equals 10¹⁵ bytes. Used for datacenter storage, scientific datasets and video archives. 1 PB could hold the text of 500 billion pages.

Real-world: Netflix total catalog: many PB. CERN LHC data: 100+ PB/year. YouTube uploads: EB scale now.
Read full petabyte reference →
To

Byte

B

The byte equals 8 bits — the basic unit of file size and memory. One byte encodes one ASCII character. All file sizes and RAM capacities are quoted in bytes and their multiples (KB, MB, GB, TB).

Real-world: An ASCII character: 1 byte. A short text message: few hundred bytes. Uncompressed photo: few MB.
Read full byte reference →

Petabyte to Byte conversion table

Common petabytes to bytes values for quick reference.

Petabyte (PB)Byte (B)
1 PB1.0000e15 B
10 PB1.0000e16 B
100 PB1.0000e17 B
500 PB5.0000e17 B
1,000 PB1.0000e18 B
5,000 PB5.0000e18 B
10,000 PB1.0000e19 B
50,000 PB5.0000e19 B
100,000 PB1.0000e20 B
500,000 PB5.0000e20 B

Tips & common mistakes

Quick tips

  • 1 PB = 1000 TB = 10¹⁵ B.
  • PiB uses binary multiples — rare in everyday context.
  • Scale beyond PB: EB (exabyte, 10¹⁸) and ZB (zettabyte, 10²¹).

Avoid these

  • Using PB when TB suffices — everyday use rarely needs PB.
  • Mixing PB and PiB — 12.6% difference.
  • Ignoring tape vs spinning-disk storage economics at PB scale.

Frequently asked questions

How many bytes in a petabyte?
One petabyte equals 1.0000e15 bytes.
How do I convert petabytes to bytes?
Multiply the petabyte value by 1.0000e15 to get the equivalent in bytes.
What is 100 petabytes in bytes?
100 petabytes equals 1.0000e17 bytes.
Is a petabyte bigger than a byte?
Yes. 1 petabyte equals 1.0000e15 bytes, so one petabyte is larger.
How to convert petabytes to bytes without a calculator?
Multiply by 1.0000e15 for a quick estimate; use a calculator for precise results.

Related data conversions

📊 See full comparison matrix →

More from Petabyte

PB → b
1 = 8.0000e15 b
PB → KB
1 = 1,000,000,000,000 KB
PB → MB
1 = 1,000,000,000 MB
PB → GB
1 = 1,000,000 GB
PB → TB
1 = 1,000 TB
PB → Mbps
1 = 8,000,000,000 Mbps

More to Byte

b → B
1 = 0.125 B
KB → B
1 = 1,000 B
MB → B
1 = 1,000,000 B
GB → B
1 = 1,000,000,000 B
TB → B
1 = 1,000,000,000,000 B
Mbps → B
1 = 125,000 B

Conversions in other categories

WeightKilogram → PoundLengthKilometer → MileTemperatureCelsius → FahrenheitVolumeLiter → US GallonAreaSquare Meter → Square FootSpeedKilometer per Hour → Mile per HourEnergyKilojoule → KilocaloriePressureBar → Pound per Square Inch