Gibibytes to gigabytes
Why a drive shows less space than advertised: Windows counts in binary gibibytes (GiB) but labels them GB, while drive makers use decimal GB.
1 gibibyte = 1.073741824 gigabytes
Formula: gigabytes = gibibytes × 1.073741824
How to convert
How to convert gibibytes to gigabytes
One gibibyte is 1.073741824 gigabytes. To convert, use this formula:
gigabytes = gibibytes × 1.073741824
Example: 64 gibibytes = 68.71947674 gigabytes.
Gibibytes to gigabytes table
| gibibytes (GiB) | gigabytes (GB) |
|---|---|
| 1 GiB | 1.07374 GB |
| 4 GiB | 4.29497 GB |
| 8 GiB | 8.58993 GB |
| 16 GiB | 17.1799 GB |
| 32 GiB | 34.3597 GB |
| 64 GiB | 68.7195 GB |
| 128 GiB | 137.439 GB |
| 256 GiB | 274.878 GB |
| 512 GiB | 549.756 GB |
| 931 GiB | 999.654 GB |
| 1,024 GiB | 1,099.51 GB |
About the units
- A gibibyte (GiB) is 1,024³ bytes, about 7% more than a gigabyte. Windows shows sizes in GiB but labels them GB, which is why drives look smaller than advertised.
- A gigabyte (GB) is 1,000 megabytes, or 1,000,000,000 bytes.
Related
More data storage conversions
- Megabytes to gigabytesFor phone data plans, file sizes and storage. Uses decimal units (1 GB = 1,000 MB), like phone and drive makers.
- Gigabytes to terabytesFor hard drives, SSDs, cloud storage and backups.
- Gigabytes to megabytesFor phone data, downloads and file sizes, in the decimal units most phones and drive makers use (1 GB = 1,000 MB).
- Kilobytes to megabytesFor file and image sizes, such as upload limits on websites and email attachments.
Frequently asked questions
How many gigabytes are in a gibibyte?
One gibibyte equals 1.073741824 gigabytes.
How do I convert gibibytes to gigabytes?
Use the formula gigabytes = gibibytes × 1.073741824. For example, 64 gibibytes is 68.71947674 gigabytes.
What is 64 gibibytes in gigabytes?
64 gibibytes is 68.71947674 gigabytes.
How do I convert gigabytes back to gibibytes?
Use the formula gibibytes = gigabytes ÷ 1.073741824. One gigabyte is 0.9313225746 gibibytes.