Gigabytes to Petabytes
An instant gigabytes-to-petabytes converter, with the formula and a reference table below.
| Gigabytes | Petabytes |
|---|---|
| 1 GB | 1e-06 PB |
| 2 GB | 2e-06 PB |
| 3 GB | 3e-06 PB |
| 5 GB | 5e-06 PB |
| 10 GB | 1e-05 PB |
| 25 GB | 2.5e-05 PB |
| 50 GB | 5e-05 PB |
| 100 GB | 0.0001 PB |
How to use
- Enter a value in the Gigabytes field.
- The Petabytes figure appears immediately — no button to press.
- Typing in the Petabytes field converts back to Gigabytes the same way.
- Use the reference table for the values that come up most often.
Gigabytes to Petabytes formula
To convert gigabytes to petabytes, multiply by 1e-06.
PB = GB × 1e-06
Why this factor: the gigabyte and the petabyte are both defined against the byte, so dividing one definition by the other gives 1e-06 directly. Both definitions are set out in full below.
To go the other way, divide by 1e-06 — or use the Petabytes to Gigabytes converter, which is the same calculation reversed.
Worked example
Start with 64 GB. Multiply by 1e-06 to get 6.4e-05 PB.
64 GB × 1e-06 = 6.4e-05 PB
The converter above does this for any value you type, in either direction.
What is a gigabyte?
A gigabyte is one billion bytes — the everyday unit of storage and memory capacity.
Definition: Exactly 1,000,000,000 bytes under SI prefixes. The binary gibibyte (GiB) is 1,073,741,824 bytes.
Where it is used: Phone and laptop storage, RAM capacity, video file sizes, and cloud storage plans.
What is a petabyte?
A petabyte is a thousand terabytes — the scale of large-scale data infrastructure.
Definition: Exactly 1×10¹⁵ bytes under SI prefixes.
Where it is used: Data-centre and cloud storage footprints, scientific datasets, and media archives.
Gigabytes vs Petabytes
The gigabyte and the petabyte belong to the same family of units, so converting between them is usually a matter of shifting a decimal point or applying a small whole-number factor.
Frequently asked questions
How many petabytes are in a gigabyte?
One gigabyte equals 1e-06 petabytes.
What is the formula to convert gigabytes to petabytes?
Multiply the number of gigabytes by 1e-06. To reverse it, divide by 1e-06 instead.
How do I convert petabytes back to gigabytes?
Divide by 1e-06, which is the same as multiplying by 1000000.
How many petabytes are in 10 gigabytes?
10 GB works out to 1e-05 PB.
How is the gigabyte defined?
Exactly 1,000,000,000 bytes under SI prefixes. The binary gibibyte (GiB) is 1,073,741,824 bytes.