FORMULA
How to convert
GiB = GB × 0.931322574615Example: 10 GB = 9.31322575 GiB.
GB → GIB
Convert gigabytes to gibibytes with an exact, deterministic calculation.
1 GB = 0.931322574615 GiB
FORMULA
GiB = GB × 0.931322574615Example: 10 GB = 9.31322575 GiB.
QUICK ANSWER
0.931322574615 GiB
REFERENCE TABLE
| gigabytes | gibibytes |
|---|---|
| 1 GB | 0.93132257 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 |
ABOUT THIS CONVERSION
This page converts gigabytes (GB) to gibibytes (GiB). Convertor4U first interprets the input using Gigabyte's definition, then expresses the same quantity in Gibibyte. The result is calculated from the stored factor and offset definitions, not from a rounded lookup table.
For checking a download, storage device, memory allocation, or backup size, an input of 256 GB converts to 238.4185791 GiB. Keep extra digits while calculating, then round only the final value to the precision the task actually needs.
Keep enough precision to explain capacity differences, but whole MB or GB often suffice for user-facing estimates. Transfer-time calculations also need protocol overhead and actual throughput, not only a storage-unit conversion.
These are international technical conventions rather than regional units. Usage is inconsistent, however: some interfaces display a binary quantity but label it GB instead of GiB. Check the stated prefix definition.
Uppercase B means byte and lowercase b means bit; also distinguish decimal GB from binary GiB.
Definitions and sources are listed below. Calculations retain more precision than the default display and round only for presentation.
USEFUL ANSWERS
Enter the GB value in the calculator. It applies the stored factor and offset definitions and returns the equivalent in GiB; the formula and common-value table are shown on this page.
Defined measurement relationships are calculated with decimal arithmetic from stored standards. The displayed answer may be rounded for readability. Currency results instead depend on the dated reference rate shown.
Keep enough precision to explain capacity differences, but whole MB or GB often suffice for user-facing estimates. Transfer-time calculations also need protocol overhead and actual throughput, not only a storage-unit conversion.
Uppercase B means byte and lowercase b means bit; also distinguish decimal GB from binary GiB.
FROM UNIT
One gigabyte (GB) equals 8000000000 bit units (bit) in the converter's reference scale. It measures digital information; decimal and IEC binary prefixes remain distinct.
IEC binary prefixes ↗Definition verified 14 August 2026TO UNIT
One gibibyte (GiB) equals 8589934592 bit units (bit) in the converter's reference scale. It measures digital information; decimal and IEC binary prefixes remain distinct.
IEC binary prefixes ↗Definition verified 14 August 2026Content reviewed by Convertor4U Editorial Team · 16 August 2026 · Report an error on this page