How to convert gibibytes to gigabytes
- Take the value in gibibytes.
- Use the formula gigabytes = gibibytes × 1.073741824.
- For example, 4 GiB is 4.29 GB.
About gibibytes and gigabytes
A gibibyte is 1,073,741,824 bytes (2 to the power of 30), so multiply GiB by 1.073742 to get decimal gigabytes. 1 GiB is 1.07 GB, 100 GiB is 107.37 GB and 1,024 GiB (1 TiB) is 1,099.51 GB.
GiB sizes show up in Windows (labelled GB), in RAM sizes, on virtual machine disks and in cloud consoles, which often list memory and disk sizes in GiB. Converting to decimal GB lets you compare them with the drive sizes printed on the box.
Examples
- 4 GiB (the FAT32 file size limit, 4 GiB minus one byte) is 4.29 GB
- 8 GiB (8 GB of RAM, which is really 8 GiB) is 8.59 GB
- 16 GiB (16 GB of RAM, which is really 16 GiB) is 17.18 GB
- 931.32 GiB (what Windows shows for a 1 TB drive) is 1,000 GB
Gibibytes to gigabytes chart
| Gibibytes | Gigabytes (GB) |
|---|---|
| 1 | 1.07 |
| 2 | 2.15 |
| 4 | 4.29 |
| 8 | 8.59 |
| 10 | 10.74 |
| 16 | 17.18 |
| 20 | 21.47 |
| 32 | 34.36 |
| 50 | 53.69 |
| 64 | 68.72 |
| 100 | 107.37 |
| Gibibytes | Gigabytes (GB) |
|---|---|
| 128 | 137.44 |
| 200 | 214.75 |
| 256 | 274.88 |
| 465.66 | 500 |
| 500 | 536.87 |
| 512 | 549.76 |
| 931.32 | 1,000 |
| 1,000 | 1,073.74 |
| 1,024 | 1,099.51 |
| 2,048 | 2,199.02 |
| 4,096 | 4,398.05 |