Data Storage converter
Gibibytes to Gigabytes
If you need to know how many Gigabytes one Gibibytes contains, the answer is 1.073742. The conversion is linear, so 10 GiB is 10.737418 GB and 100 GiB is 107.374182 GB. Use the converter for any other value.
Formula 1 GiB = 1.073742 GB
Need the other direction? Gigabytes to Gibibytes.
How to convert Gibibytes to Gigabytes
A gibibyte is 2^30 bytes, or about 1.0737 decimal gigabytes. A decimal gigabyte is 10^9 bytes; a gibibyte is 2^30 bytes.
To convert Gibibytes to Gigabytes, multiply the value in GiB by 1.073742. For example, 10 GiB × 1.073742 = 10.737418 GB. This works because the ratio between the two units is constant for every value in data storage.
Worked examples
| GiB | GB |
|---|---|
| 1 GiB | 1.073742 GB |
| 2.5 GiB | 2.684355 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 |
Reverse conversion
| GB | GiB |
|---|---|
| 1 GB | 0.93132257 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 |
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 GiB is 1,073.74 GB.
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.
GiB to GB 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.
| Gibibytes (GiB) | Gigabytes (GB) |
|---|---|
| 1 GiB | 1.073742 GB |
| 2 GiB | 2.147484 GB |
| 3 GiB | 3.221225 GB |
| 4 GiB | 4.294967 GB |
| 5 GiB | 5.368709 GB |
| 6 GiB | 6.442451 GB |
| 7 GiB | 7.516193 GB |
| 8 GiB | 8.589935 GB |
| 9 GiB | 9.663676 GB |
| 10 GiB | 10.737418 GB |
| 11 GiB | 11.81116 GB |
| 12 GiB | 12.884902 GB |
| 13 GiB | 13.958644 GB |
| 14 GiB | 15.032386 GB |
| 15 GiB | 16.106127 GB |
| 16 GiB | 17.179869 GB |
| 17 GiB | 18.253611 GB |
| 18 GiB | 19.327353 GB |
| 19 GiB | 20.401095 GB |
| 20 GiB | 21.474836 GB |
| 21 GiB | 22.548578 GB |
| 22 GiB | 23.62232 GB |
| 23 GiB | 24.696062 GB |
| 24 GiB | 25.769804 GB |
| 25 GiB | 26.843546 GB |
| 26 GiB | 27.917287 GB |
| 27 GiB | 28.991029 GB |
| 28 GiB | 30.064771 GB |
| 29 GiB | 31.138513 GB |
| 30 GiB | 32.212255 GB |
| 31 GiB | 33.285997 GB |
| 32 GiB | 34.359738 GB |
| 33 GiB | 35.43348 GB |
| 34 GiB | 36.507222 GB |
| 35 GiB | 37.580964 GB |
| 36 GiB | 38.654706 GB |
| 37 GiB | 39.728447 GB |
| 38 GiB | 40.802189 GB |
| 39 GiB | 41.875931 GB |
| 40 GiB | 42.949673 GB |
| 41 GiB | 44.023415 GB |
| 42 GiB | 45.097157 GB |
| 43 GiB | 46.170898 GB |
| 44 GiB | 47.24464 GB |
| 45 GiB | 48.318382 GB |
| 46 GiB | 49.392124 GB |
| 47 GiB | 50.465866 GB |
| 48 GiB | 51.539608 GB |
| 49 GiB | 52.613349 GB |
| 50 GiB | 53.687091 GB |
| 60 GiB | 64.424509 GB |
| 70 GiB | 75.161928 GB |
| 80 GiB | 85.899346 GB |
| 90 GiB | 96.636764 GB |
| 100 GiB | 107.374182 GB |
Frequently asked questions
How many Gigabytes are in 1 Gibibytes?
1 GiB equals 1.073742 GB.
How do I convert Gibibytes to Gigabytes?
Multiply the GiB value by 1.073742. Example: 25 GiB = 26.843546 GB.
What is 2.5 GiB in GB?
2.5 GiB = 2.684355 GB.
Is the GiB to GB 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.