1 Kibibyte equals 1,024 Bytes.
| Kibibyte (KiB) | Byte (B) |
|---|---|
| 1 KiB | 1,024 B |
| 2 KiB | 2,048 B |
| 4 KiB | 4,096 B |
| 8 KiB | 8,192 B |
| 16 KiB | 16,384 B |
| 32 KiB | 32,768 B |
| 64 KiB | 65,536 B |
| 128 KiB | 131,072 B |
| 256 KiB | 262,144 B |
| 512 KiB | 524,288 B |
| 1,024 KiB | 1,048,580 B |
| 2,048 KiB | 2,097,150 B |
To convert Kibibytes to Bytes, multiply the value by 1,024. This factor comes from the ratio of the two units' definitions: one Kibibyte equals 1,024 Bytes.
For example: 1 Kibibyte = 1,024 Bytes, and 10 Kibibytes = 10,240 Bytes.
To convert in the reverse direction — from Bytes to Kibibytes — multiply by 0.000976563.
A kibibyte (KiB) equals exactly 1,024 bytes (2¹⁰ bytes). The prefix "kibi" was created by the International Electrotechnical Commission (IEC) in 1998 specifically to distinguish binary multiples (powers of 2) from decimal SI multiples (powers of 10). The kibibyte exists because computing naturally works in binary — memory addresses, data bus widths, and cache lines all come in powers of 2 — so 1,024 bytes is a more natural grouping in hardware than 1,000 bytes.
Before the IEC standardized "kibibyte," computing used "kilobyte" to mean 1,024 bytes, while storage manufacturers used "kilobyte" to mean 1,000 bytes. This ambiguity caused persistent confusion: a floppy disk advertised as "1.44 MB" actually stored 1,474,560 bytes — which is 1,474.56 kB (decimal) but 1,440 KiB (binary), and the "1.44" came from a confusing mix of both systems. The kibibyte notation resolves this by clearly distinguishing the binary context.
Operating systems that report file sizes in kibibytes (correctly labeled) include many Linux distributions, which show file sizes in KiB when using the `--si` flag distinction. Programming documentation increasingly uses KiB for technical precision, though consumer products and Windows still use "KB" to mean 1,024 bytes, perpetuating the ambiguity. For practical purposes, the difference between 1 KiB (1,024 B) and 1 kB (1,000 B) is only 2.4% — negligible in everyday use but worth tracking in technical specification and billing contexts.
A byte is a group of 8 bits, the standard unit for representing a single character of text in the ASCII and UTF-8 encodings, and the basic addressable unit of memory in virtually all modern computers. The origin of the 8-bit byte traces to IBM's System/360 computer family (1964), which standardized 8-bit characters across its product line and established a convention that has persisted for sixty years. Earlier computers used varying byte sizes (5, 6, or 7 bits), but 8 won out.
A byte can represent 2⁸ = 256 distinct values (0 through 255), which is enough to encode all 128 ASCII characters with room to spare, to represent color channels in images (0–255 per channel for red, green, and blue), or to express integer values in that range. The dominance of the 8-bit byte means that kilobytes, megabytes, and gigabytes are the everyday units of file size, memory, and storage — while the underlying computation happens at the bit level.
File sizes and storage capacities are measured in bytes across the digital world: a plain text email might be a few kilobytes; a high-resolution photo 3–10 megabytes; a 4K movie 50–100 gigabytes; and the total data stored in global data centers is measured in zettabytes (10²¹ bytes). Memory chips are specified in gigabytes; hard drives and SSDs in terabytes. The byte is so fundamental to computing that its abbreviation (B, uppercase) must be carefully distinguished from the bit (b, lowercase) to avoid factor-of-8 errors in bandwidth and storage calculations.
1 Kibibyte equals 1,024 Bytes.
To convert Kibibytes to Bytes, multiply by 1,024. For example, 0.1 Kibibytes = 102.4 Bytes.
1 Byte equals 0.000976563 Kibibytes.