Convert gigabyte (1000³) to gibibyte (1024³).
GB to GiB — formula, reference values, and a live converter.
Convert gigabyte (1000³) (GB) to gibibyte (1024³) (GiB). This is a fixed-ratio conversion — multiply the input by the factor below.
Formula
GiB = GB × 0.931323
Reference values
| GB (gigabyte (1000³)) | GiB (gibibyte (1024³)) |
|---|---|
| 1 GB | 0.93132 GiB |
| 2 GB | 1.8626 GiB |
| 5 GB | 4.6566 GiB |
| 10 GB | 9.3132 GiB |
| 25 GB | 23.283 GiB |
| 50 GB | 46.566 GiB |
| 100 GB | 93.132 GiB |
| 500 GB | 465.66 GiB |
| 1000 GB | 931.32 GiB |
Things to watch for
- 1 KB can mean 1000 bytes (decimal, SI) or 1024 bytes (binary, KiB). Storage manufacturers use decimal; OSes used to use binary and called it KB — hence the discrepancy in 'my hard drive says 1 TB but shows 931 GB.'
- The 'binary' prefixes Ki, Mi, Gi, Ti were standardized by IEC in 1998 specifically to remove this ambiguity. Use them when precision matters.
- Network speeds in bits per second (Mbps, Gbps); file sizes in bytes (MB, GB). 100 Mbps ≈ 12.5 MB/s.
What is a gigabyte?
One gigabyte equals 1,000 megabytes in SI or 1,073,741,824 bytes (1024³) in the binary sense (GiB). Storage drive capacities, large file sizes, and mobile data plans.
How to picture a GB
Here are a few familiar reference points to gauge the unit.
- 1 GB — about 1000 photos or 200 songs.
- 5 GB — a typical movie file.
- 64 GB — a basic phone's storage.
How to convert gigabyte to gib
To convert a value from gigabyte (GB) to gib (gib), apply the conversion factor shown in the formula above. The calculation is the same whether you do it by hand, in a spreadsheet, or with the live converter on this page.
Steps:
- Take your input value in GB.
- Apply the formula
GiB = GB × 0.931323. - The result is your value in gib.
For repeated calculations, save the formula in a spreadsheet or use the live converter at the top of this page — it handles the math automatically and displays the result as you type.
Frequently asked questions
How do I convert GB to gib?
Apply the formula GB → gib shown above, or just type your value into the converter at the top of this page. The result updates instantly.
Which is bigger, GB or gib?
This depends on the conversion ratio in the formula. If the factor multiplied by your value gives a larger number, then gib is the smaller unit (so it takes more of them to express the same quantity). If the result is smaller, then gib is the larger unit.
When would I use GB versus gib?
Both units measure data, so the choice depends on context. Gigabyte is typically used for file sizes, storage capacity, and network transfer; gib similarly. Most professional fields standardize on one or the other based on regional conventions or technical tradition.
How precise is this GB to gib conversion?
The conversion factor shown is the internationally defined exact value (or the best-published approximation if the relationship is irrational, like degrees-to-radians). The live converter on this page uses double-precision floating-point math, accurate to about 15 significant digits — far beyond any practical engineering need.
Is the conversion ratio exact, or an approximation?
Most unit conversions between SI metric units, and between SI and US customary units, have been formally defined as exact values since the 1959 international yard-pound agreement and subsequent SI redefinitions. Exceptions are unit pairs that involve irrational numbers (radians, e.g.) or empirical conversions (like food calories, which depend on temperature). When in doubt, consult the formula at the top of this page.