Petabyte to Byte Converter

Data Converter

21 units available

Decimals:

From

To

1.125900e+15

1 PB = 1.125900e+15 B

Formula:

B = PB × 1.125900e+15

With your value: 1 PB = 1.125900e+15 B

How big is that?

Everyday references on a logarithmic scale, all expressed in petabyte so you can sanity-check the result.

Phone photo (1/2.8e+8 your value)4.44e-10 PB

MP3 song (1/2.3e+8 your value)5.55e-10 PB

CD-ROM (1/1.6e+6 your value)7.77e-8 PB

HD movie (1/2.8e+5 your value)4.44e-7 PB

Laptop SSD (1/2.2e+3 your value)0.0000568 PB

Your value0.125 PB

Other Petabyte to Byte conversions

2 PB to B 3 PB to B 4 PB to B 5 PB to B 6 PB to B 7 PB to B 8 PB to B

Petabyte to Byte Conversion Table

Petabyte (PB)	Byte (B)
0.5	5.629500e+14
1	1.125900e+15
2	2.251800e+15
5	5.629500e+15
10	1.125900e+16
15	1.688850e+16
20	2.251800e+16
25	2.814750e+16
50	5.629500e+16
100	1.125900e+17
250	2.814750e+17
500	5.629500e+17
1000	1.125900e+18

Byte to Petabyte Conversion Table

Byte (B)	Petabyte (PB)
0.5	4.440892e-16
1	8.881784e-16
2	1.776357e-15
5	4.440892e-15
10	8.881784e-15
15	1.332268e-14
20	1.776357e-14
25	2.220446e-14
50	4.440892e-14
100	8.881784e-14
250	2.220446e-13
500	4.440892e-13
1000	8.881784e-13

Where these values come from

Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.

Petabyte (PB)

Data

Conventional value

Decimal prefixes (kB, MB) are powers of 1000; binary prefixes (KiB, MiB) are powers of 1024 as standardised by IEC 80000-13.

Source: IEC 80000-13:2008, Quantities and units — Part 13: Information science and technology

International Electrotechnical Commission · Reviewed 2026-07-01

Byte (B)

Data

Conventional value

One byte is eight bits (octet) in all modern computing standards.

Source: IEC 80000-13:2008, Quantities and units — Part 13: Information science and technology

International Electrotechnical Commission · Reviewed 2026-07-01

How to Convert Petabyte to Byte

To convert from Petabyte (PB) to Byte (B), multiply the value by 1.125900e+15.

Formula: B = PB × 1.125900e+15

Reverse: PB = B × 8.881784e-16

Step-by-Step Example

Start with your value in Petabyte. For example: 5 PB
Multiply by the conversion factor: 5 x 1.125900e+15
The result is: 5.629500e+15 B

About Petabyte

The petabyte (PB) is a unit of digital storage. One petabyte equals 1.125900 × 10^+15 bytes. UnitConvertLab converts it against every other data unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: data calculations, engineering and science, education.

About Byte

The byte (B) is a unit of digital storage. One byte equals 1 byte. UnitConvertLab converts it against every other data unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: data calculations, engineering and science, education.

Frequently Asked Questions

How many Byte are in 1 Petabyte?

There are exactly 1.125900e+15 Byte in 1 Petabyte. This means the conversion factor from Petabyte to Byte is 1.125900e+15.

What is the formula to convert Petabyte to Byte?

The formula to convert Petabyte to Byte is: B = PB × 1.125900e+15. For example, to convert 10 Petabyte to Byte, you would multiply 10 by 1.125900e+15.

What is a Petabyte?