How to convert gigabytes to gibibytes
One gigabyte equals 0.9313 gibibytes, so multiply the value in gigabytes by 0.9313225746: GiB = GB × 0.9313225746. Equivalently, divide by 1.073741824.
Example: 500 GB = 500 × 0.9313225746 = 465.6613 GiB.
Gigabytes to gibibytes table
| Gigabytes (GB) | Gibibytes (GiB) |
|---|---|
| 0.1 | 0.09313 |
| 0.5 | 0.4657 |
| 1 | 0.9313 |
| 2 | 1.8626 |
| 3 | 2.794 |
| 4 | 3.7253 |
| 5 | 4.6566 |
| 6 | 5.5879 |
| 7 | 6.5193 |
| 8 | 7.4506 |
| 9 | 8.3819 |
| 10 | 9.3132 |
| 15 | 13.9698 |
| 20 | 18.6265 |
| 25 | 23.2831 |
| 30 | 27.9397 |
| 40 | 37.2529 |
| 50 | 46.5661 |
| 75 | 69.8492 |
| 100 | 93.1323 |
| 250 | 232.8306 |
| 500 | 465.6613 |
| 1,000 | 931.3226 |
About the units
- Gigabyte (GB): Decimal gigabyte: 1,000,000,000 bytes, the unit on drive labels and data plans.
- Gibibyte (GiB): Binary gigabyte: 2³⁰ = 1,073,741,824 bytes, used by RAM, Linux tools and Windows (which labels it “GB”).
This is why a “1 TB” drive shows about 931 GB in Windows: the drive is labelled in decimal units, while Windows counts in binary units but still writes “GB”.
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Open the unit converter Frequently asked questions
How many gibibytes are in a gigabyte?
1 gigabyte = 0.9313 gibibytes.
What is the formula for gigabytes to gibibytes?
GiB = GB × 0.9313225746.
How much is 500 GB in GiB?
500 GB = 465.6613 GiB.