PB to GiB Calculator - Convert Petabytes to Gibibytes

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PB to GiB - Conversion Formula and Steps

Petabyte and Gibibyte are units of digital information used to measure storage capacity and data transfer rate. Petabyte is a decimal standard unit where as Gibibyte is binary. One Petabyte is equal to 1000^5 bytes. One Gibibyte is equal to 1024^3 bytes. There are 0.000001073741824 Petabytes in one Gibibyte. - view the difference between both units

PB to GiB Converter Image
Source Data UnitTarget Data Unit
Petabyte (PB)
Equal to 1000^5 bytes
(Decimal Unit)
Gibibyte (GiB)
Equal to 1024^3 bytes
(Binary Unit)

The formula of converting the Petabyte to Gibibyte is represented as follows :

GiB = PB x 10005 / 10243

Note : Here we are converting the units between different standards. The source unit Petabyte is Decimal where as the target unit Gibibyte is Binary. In such scenario, first we need to convert the source unit to the basic unit - Byte - multiply with 1000^5, and then convert to target unit by dividing with 1024^3 .

Now let us apply the above formula and, write down the steps to convert from Petabyte (PB) to Gibibyte (GiB). This way, we can try to simplify and reduce to an easy to apply formula.


Gibibyte = Petabyte x 10005 / 10243


Gibibyte = Petabyte x (1000x1000x1000x1000x1000) / (1024x1024x1024)


Gibibyte = Petabyte x 1000000000000000 / 1073741824


Gibibyte = Petabyte x 931322.574615478515625

Example : If we apply the above Formula and steps, conversion from 10 PB to GiB, will be processed as below.

  1. = 10 x 10005 / 10243
  2. = 10 x (1000x1000x1000x1000x1000) / (1024x1024x1024)
  3. = 10 x 1000000000000000 / 1073741824
  4. = 10 x 931322.574615478515625
  5. = 9313225.74615478515625
  6. i.e. 10 PB is equal to 9,313,225.74615478515625 GiB.

(Result rounded off to 40 decimal positions.)

You can use above formula and steps to convert Petabyte to Gibibyte using any of the programming language such as Java, Python or Powershell.

Popular PB Conversions

Conversion Units

Definition : Petabyte

A Petabyte (PB) is a unit of digital information that is equal to 1,000,000,000,000,000 bytes (or 8,000,000,000,000,000 bits) and commonly used to measure the storage capacity of enterprise storage arrays and data centers. It is also used to express data transfer speeds and in the context of data storage and memory, the binary-based unit of Pebibyte (PiB) is used instead.
- Learn more..

Definition : Gibibyte

A Gibibyte (GiB) is a unit of digital information that is equal to 1,073,741,824 bytes (or 8,589,934,592 bits) and is defined by the International Electro technical Commission(IEC). The prefix "gibi" is derived from the binary number system and it is used to distinguish it from the decimal-based "gigabyte" (GB). It is widely used in the field of computing as it more accurately represents the amount of data storage and data transfer in computer systems.
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Excel Formula to convert from PB to GiB

Apply the formula as shown below to convert from Petabyte to Gibibyte.

1Petabyte (PB)Gibibyte (GiB) 
21=A2 * 931322.574615478515625 

Download - Excel Template for Petabyte to Gibibyte Conversion

If you want to perform bulk conversion locally in your system, then download and make use of above Excel template.

Python Code for PB to GiB Conversion

You can use below code to convert any value in Petabyte to Gibibyte in Python.

petabyte = int(input("Enter Petabyte: "))
gibibyte = petabyte * (1000*1000*1000*1000*1000) / (1024*1024*1024)
print("{} Petabyte = {} Gibibyte".format(petabyte,gibibyte))

The first line of code will prompt the user to enter the Petabyte as an input. The value of Gibibyte is calculated on the next line, and the code in third line will display the result.