Gigabytes (GB) to Gibibytes (GiB) Converter
The Gigabytes (GB) to Gibibytes (GiB) Converter turns your Gigabyte (GB) value into Gibibytes (GiB). Type your storage value in the input field — 1 GB = 0.931322574615 GiB, calculated across both decimal (SI) and binary (IEC) standards.
Gigabytes (GB) to Gibibytes (GiB) Converter
How to Convert Gigabytes to Gibibytes
To convert gigabytes (decimal/SI) to gibibytes (binary/IEC), multiply by 0.931322574615. Decimal units use base 1,000, while binary units use base 1,024. Related: Gibibytes to GB calculator.
GB is a decimal (SI) unit—what storage manufacturers advertise. 1 GB = 1,000 of the smaller unit. Check out our GB to Tebibits converter.
GiB is a binary (IEC) unit—what operating systems often display. 1 GiB = 1,024 of the smaller unit. Learn more: Exbibytes to Gibibytes conversion.
1 GB = 0.931322574615 GiB (using SI decimal standard) — or equivalently, 1 GiB = 1.073741824GB.
GB to GiB Conversion Formula
// Convert GB to GiB
GiB = GB × 0.931322574615
// Reverse: Convert GiB to GB
GB = GiB × 1.073741824Gigabyte to Gibibyte Conversion Examples
100 GB = 93.1322574615 GiB
256 GB = 238.4185791016 GiB
500 GB = 465.6612873077 GiB
1,000 GB = 931.3225746155 GiB
2,048 GB = 1,907.348633 GiB
What Is a Gigabyte (GB)? Definition and Uses
A gigabyte is 1,000 megabytes or 1,000,000,000 bytes using the SI decimal standard. This is what hard drive manufacturers typically use. Related: convert Exbibytes to Tebibits.
The gigabyte is a SI decimal unit of digital information storage. It uses base 1,000 following the SI (International System of Units) standard. Learn more: Yobibits Per Second to Gigabits Per Second calculator.
Common uses: Movies, video games, smartphone storage, USB drives, cloud storage plans Use our Gigabytes to Kibibits converter.
1 GB = 8 × 10⁹ bits = 1 × 10⁹ bytes.
The gigabyte can be abbreviated as GB; for example, 1 gigabyte can be written as 1 GB.
What Is a Gibibyte (GiB)? Definition and Uses
A gibibyte is 1,024 mebibytes or 1,073,741,824 bytes. This is what operating systems actually display for storage. See also: Kibibits to Gibibytes.
The gibibyte is a IEC binary unit of digital information storage. It uses base 1,024 following the IEC (International Electrotechnical Commission) standard. See also: YB → Eb.
Common uses: Windows/macOS file sizes, SSD actual capacity, RAM modules Use our convert MB/s to ZiB/s.
1 GiB = 9 × 10⁹ bits = 1 × 10⁹ bytes.
The gibibyte can be abbreviated as GiB; for example, 1 gibibyte can be written as 1 GiB.
Gigabyte to Gibibyte Conversion Table
The table below shows various gigabyte measurements converted to gibibytes.
| Gigabytes | Gibibytes |
|---|---|
| 1 GB | 0.9313225746 GiB |
| 2 GB | 1.86264515 GiB |
| 5 GB | 4.65661287 GiB |
| 10 GB | 9.31322575 GiB |
| 25 GB | 23.28306437 GiB |
| 50 GB | 46.56612873 GiB |
| 100 GB | 93.13225746 GiB |
| 128 GB | 119.20928955 GiB |
| 250 GB | 232.83064365 GiB |
| 256 GB | 238.4185791 GiB |
| 500 GB | 465.66128731 GiB |
| 512 GB | 476.8371582 GiB |
| 1,000 GB | 931.32257462 GiB |
| 1,024 GB | 953.67431641 GiB |
SI Decimal vs Binary: Why Two Different Standards?
When converting gigabytes to gibibytes, different tools may give slightly different results. This is because there are two competing standards for measuring digital storage:
| Standard | Base | 1 KB equals | Used By |
|---|---|---|---|
| SI Decimal | 1000 | 1,000 bytes | Hard drive manufacturers, macOS, network speeds |
| Binary (IEC) | 1024 | 1,024 bytes | Windows, Linux (partially), RAM specifications |
Note: Our calculator defaults to SI decimal (base 1000) to match the box label. To match Windows, toggle the standard at the top of the calculator.