How to convert kibibytes to bytes
To convert a measurement in kibibytes to bytes, multiply the value by 1,024. The conversion factor comes from the relationship between both units and the byte.
For example, to convert 5 KiB to bytes: 5 × 1,024 = 5,120 B.
What is a kibibyte?
A kibibyte is exactly 1,024 bytes (2^10), the binary counterpart of the kilobyte defined by the IEC. Use it when you mean the power-of-two value. The IEC introduced the binary prefixes (kibi, mebi, gibi, ...) in 1998 to end the long-standing confusion between the decimal kilobyte (1,000 B) and the binary 1,024-byte unit that computing had informally called a kilobyte.
Common uses of kibibytes include: Memory and buffer sizes in software; Operating-system file-size reporting; Low-level programming and disk blocks; Any context needing an exact power-of-two size.
What is a byte?
A byte is a unit of digital information consisting of 8 bits. It is the standard addressable unit of memory and can represent a single text character. The byte was defined by Werner Buchholz in 1956 during the design of the IBM Stretch computer. Eight bits became the de facto standard, enough to encode a character in early text encodings like ASCII.
Common uses of bytes include: File sizes and memory addressing; Text character storage (1 byte per ASCII character); Low-level programming and data structures; Baseline unit for all larger storage measures.
Kibibytes to bytes worked examples
Here are some common values converted:
1 KiB = 1,024 B 5 KiB = 5,120 B 10 KiB = 10,240 B 50 KiB = 51,200 B 100 KiB = 102,400 B
Frequently asked questions
How many bytes are in one kibibyte?
One kibibyte (KiB) equals 1,024 bytes (B). Multiply any value in kibibytes by 1,024 to convert to bytes.
How do I convert kibibytes to bytes?
Multiply the value in kibibytes by 1,024. For example, 5 KiB × 1,024 = 5,120 B.
How do I convert bytes to kibibytes?
Multiply the value in bytes by 0.0009765625, or divide by 1,024. Use the swap button on the converter above to reverse the direction.
Is the kibibyte to byte conversion exact?
Decimal units (KB, MB, GB) use powers of 1000 per SI; binary units (KiB, MiB, GiB) use powers of 1024 per IEC. Both are exact — just be sure you are using the right family, since storage is often sold in decimal but reported by operating systems in binary.
What is the formula for kibibytes to bytes?
The formula is: B = KiB × 1,024. This comes from the definition of both units relative to the byte.