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byte (B) → kilobyte (KB)

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Use our free online converter to convert between units instantly. Enter any value in the field above to get accurate results. No signup or download required—all conversions run in your browser. Our calculator uses standard conversion factors for reliability.

0
B=KB
1=0.000977
2=0.001953
4=0.003906
8=0.007813
16=0.015625
32=0.03125
64=0.0625
128=0.125
256=0.25
512=0.5
1024=1

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Brief explanation: byte to kilobyte

Byte = 8 bits. 1 KB = 1024 bytes in binary (KiB). 1 MB = 1024 KB. Some storage providers use decimal (1000 bytes = 1 KB). GB and TB are used for storage capacity. The binary system (1024) is used by operating systems. The decimal system (1000) is sometimes used by manufacturers. Our converter uses the binary standard (1024) for consistency with most software.

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Common conversion examples: byte to kilobyte

Reference values for quick comparison. Use the converter above for any amount.

  • 1 byte=0 kilobyte
  • 1.02e+3 byte=1 kilobyte
  • 1.05e+6 byte=1,024 kilobyte

About the Units

byte (B)

Definition: A byte (B) is a unit of digital information. One byte equals 8 bits and can represent 256 values (0–255). It is the fundamental unit for character encoding and data storage.
History: The byte was coined by Werner Buchholz in 1956. It became standard as the smallest addressable unit in computer memory. ASCII uses one byte per character.
Current use: Bytes measure file size, memory, and data transfer. A single character typically uses one byte. Small files and buffer sizes are measured in bytes.

kilobyte (KB)

Definition: A kilobyte (KB) is 1,024 bytes in binary (or 1,000 bytes in decimal for storage manufacturers). It is used for small file sizes and memory amounts.
History: The kilobyte emerged with early computing. The binary definition (1024 bytes) reflects how computers address memory. Storage manufacturers often use decimal (1000 bytes) for marketing.
Current use: Kilobytes measure small files, text documents, and low-resolution images. Email attachments and simple web pages use KB. 1 KB ≈ 1,000 characters of text.

Sources

Conversion factors and unit definitions follow international standards. For authoritative references, see: