Data Storage converter
Gigabytes to Gibibytes
Gigabytes and Gibibytes measure the same quantity in different unit systems. The relationship is 1 GB = 0.93132257 GiB, which gives 0.93132257 GiB per GB. Below you can convert any value, check a worked example and read the full chart.
Formula 1 GB = 0.93132257 GiB
Need the other direction? Gibibytes to Gigabytes.
How to convert Gigabytes to Gibibytes
A decimal gigabyte is 10^9 bytes; a gibibyte is 2^30 bytes. A gibibyte is 2^30 bytes, or about 1.0737 decimal gigabytes.
To convert Gigabytes to Gibibytes, multiply the value in GB by 0.93132257. For example, 10 GB × 0.93132257 = 9.313226 GiB. This works because the ratio between the two units is constant for every value in data storage.
Worked examples
| GB | GiB |
|---|---|
| 1 GB | 0.93132257 GiB |
| 2.5 GB | 2.328306 GiB |
| 5 GB | 4.656613 GiB |
| 10 GB | 9.313226 GiB |
| 25 GB | 23.283064 GiB |
| 50 GB | 46.566129 GiB |
| 100 GB | 93.132257 GiB |
Reverse conversion
| GiB | GB |
|---|---|
| 1 GiB | 1.073742 GB |
| 5 GiB | 5.368709 GB |
| 10 GiB | 10.737418 GB |
| 25 GiB | 26.843546 GB |
| 50 GiB | 53.687091 GB |
| 100 GiB | 107.374182 GB |
When this conversion is useful
This is the calculation you need when you are sizing a backup, a download or a storage plan and the units are mixed. Because the factor is fixed, you can use the same number for a single measurement or for a batch: 1,000 GB is 931.322575 GiB.
Is the conversion exact?
It depends on the definition. This converter uses decimal units (1 kB = 1,000 bytes) and a bit-based base; binary units such as KiB and GiB are separate units in the list.
Reference: BIPM SI Brochure and NIST SP 811. Last reviewed: 2026-11-01.
GB to GiB conversion chart
The chart lists the most requested values. For a value that is not here, use the converter at the top of the page.
| Gigabytes (GB) | Gibibytes (GiB) |
|---|---|
| 1 GB | 0.93132257 GiB |
| 2 GB | 1.862645 GiB |
| 3 GB | 2.793968 GiB |
| 4 GB | 3.72529 GiB |
| 5 GB | 4.656613 GiB |
| 6 GB | 5.587935 GiB |
| 7 GB | 6.519258 GiB |
| 8 GB | 7.450581 GiB |
| 9 GB | 8.381903 GiB |
| 10 GB | 9.313226 GiB |
| 11 GB | 10.244548 GiB |
| 12 GB | 11.175871 GiB |
| 13 GB | 12.107193 GiB |
| 14 GB | 13.038516 GiB |
| 15 GB | 13.969839 GiB |
| 16 GB | 14.901161 GiB |
| 17 GB | 15.832484 GiB |
| 18 GB | 16.763806 GiB |
| 19 GB | 17.695129 GiB |
| 20 GB | 18.626451 GiB |
| 21 GB | 19.557774 GiB |
| 22 GB | 20.489097 GiB |
| 23 GB | 21.420419 GiB |
| 24 GB | 22.351742 GiB |
| 25 GB | 23.283064 GiB |
| 26 GB | 24.214387 GiB |
| 27 GB | 25.14571 GiB |
| 28 GB | 26.077032 GiB |
| 29 GB | 27.008355 GiB |
| 30 GB | 27.939677 GiB |
| 31 GB | 28.871 GiB |
| 32 GB | 29.802322 GiB |
| 33 GB | 30.733645 GiB |
| 34 GB | 31.664968 GiB |
| 35 GB | 32.59629 GiB |
| 36 GB | 33.527613 GiB |
| 37 GB | 34.458935 GiB |
| 38 GB | 35.390258 GiB |
| 39 GB | 36.32158 GiB |
| 40 GB | 37.252903 GiB |
| 41 GB | 38.184226 GiB |
| 42 GB | 39.115548 GiB |
| 43 GB | 40.046871 GiB |
| 44 GB | 40.978193 GiB |
| 45 GB | 41.909516 GiB |
| 46 GB | 42.840838 GiB |
| 47 GB | 43.772161 GiB |
| 48 GB | 44.703484 GiB |
| 49 GB | 45.634806 GiB |
| 50 GB | 46.566129 GiB |
| 60 GB | 55.879354 GiB |
| 70 GB | 65.19258 GiB |
| 80 GB | 74.505806 GiB |
| 90 GB | 83.819032 GiB |
| 100 GB | 93.132257 GiB |
Frequently asked questions
How many Gibibytes are in 1 Gigabytes?
1 GB equals 0.93132257 GiB.
How do I convert Gigabytes to Gibibytes?
Multiply the GB value by 0.93132257. Example: 25 GB = 23.283064 GiB.
What is 2.5 GB in GiB?
2.5 GB = 2.328306 GiB.
Is the GB to GiB conversion exact?
It depends on the definition. This converter uses decimal units (1 kB = 1,000 bytes) and a bit-based base; binary units such as KiB and GiB are separate units in the list.
Does the calculator work offline?
Yes. The conversion runs in your browser with JavaScript, so it works after the page has loaded, even without a connection.