Gibibyte (GiB) - Unit Information & Conversion
What is a Gibibyte?
Definition
A gibibyte (GiB) is a unit of digital information storage equal to 230 bytes, which is exactly 1,073,741,824 bytes (or 10243 bytes). It uses the binary prefix 'gibi-' established by the International Electrotechnical Commission (IEC).
History
The prefix 'gibi-' (representing 230) was defined by the IEC in 1998 alongside other binary prefixes (kibi-, mebi-, tebi-, etc.). This standardization aimed to eliminate the confusion caused by using SI prefixes (like giga-) to denote both powers of 1000 (decimal, e.g., gigabyte, GB) and powers of 1024 (binary) which were common in computing. The term 'gibibyte' specifically refers to the 230 multiple of bytes.
Common Uses
Gibibytes are frequently used in contexts where binary precision is important:
- Measuring Random Access Memory (RAM) capacity accurately.
- Reporting file sizes and disk space by operating systems like Windows and some Linux distributions.
- Allocating memory and storage resources in software development and virtualization.
- Technical specifications for hardware and software requiring precise binary measurements.
Unit FAQs
How many bytes are in a gibibyte?
There are exactly 230 bytes in 1 gibibyte (GiB). This equals 1,073,741,824 bytes.
How many mebibytes (MiB) are in a gibibyte (GiB)?
There are 1,024 mebibytes (MiB) in 1 gibibyte (GiB). This is because 1 GiB = 230 bytes and 1 MiB = 220 bytes, and 230 / 220 = 210 = 1,024.
What is the difference between a gibibyte (GiB) and a gigabyte (GB)?
A gibibyte (GiB) represents 230 bytes (1,073,741,824 bytes), using the IEC binary prefix 'gibi-'. A gigabyte (GB) typically represents 109 bytes (1,000,000,000 bytes), using the SI decimal prefix 'giga-'. A gibibyte is approximately 7.37% larger than a gigabyte (1 GiB ≈ 1.074 GB). Use GiB for precision in binary contexts (like RAM, OS reporting) and GB for decimal contexts (like hard drive marketing, network speeds) or when the specific definition is clarified.
Gibibyte Conversion Formulas
To Bit:
To Byte:
To Kilobit:
To Kilobyte:
To Megabit:
To Megabyte:
To Gigabit:
To Gigabyte:
To Terabit:
To Terabyte:
To Petabit:
To Petabyte:
To Exabit:
To Exabyte:
To Kibibit:
To Kibibyte:
To Mebibit:
To Mebibyte:
To Gibibit:
To Tebibit:
To Tebibyte:
To Pebibit:
To Pebibyte:
To Exbibit:
To Exbibyte:
Convert Gibibyte
Need to convert Gibibyte to other data storage units? Use our conversion tool.