Gigabytes to Gibibytes Converter
1 gigabyte ≈ 0.931322575 gibibytes
1 gigabyte equals 0.931323 gibibytes
How to convert gigabytes to gibibytes
Lowercase b means bit; uppercase B means byte (8 bits). Decimal kB, MB and GB use powers of 1000; binary KiB, MiB and GiB use powers of 1024. Choose the label that matches the source measurement.
GiB = GB × 0.9313225746One gigabyte is 0.9313225746 gibibytes, so a single multiplication converts any value.
9.31323 GiB ≈ 10 × 0.9313225746Gigabytes to gibibytes conversion table
Common values in gigabytes, converted to gibibytes.
| Gigabytes (GB) | Gibibytes (GiB) |
|---|---|
| 1 | 0.93132257 |
| 2 | 1.8626451 |
| 4 | 3.7252903 |
| 8 | 7.4505806 |
| 16 | 14.901161 |
| 32 | 29.802322 |
| 64 | 59.604645 |
| 128 | 119.20929 |
| 256 | 238.41858 |
| 512 | 476.83716 |
| 1,024 | 953.67432 |
About these units
gigabyteGB
Exactly 1,000,000,000 bytes (decimal). Storage capacity is advertised this way.
gibibyteGiB
Exactly 1,073,741,824 bytes (binary). What Windows labels "GB" in file properties.
Reference: IEC 80000-13.
Sources and precision
Table results are rounded to 8 significant digits; formula constants may be rounded to 10. Worked example answers use 6 significant digits. The converter starts at 6 significant digits and lets you change display precision. Calculations use the stored factors without intermediate rounding. Exact unit definitions do not make an input measurement more precise; conventional and measured factors follow the assumptions stated here.