Kilobyte (KB)
The kilobyte is a unit of data, used for small text files, email messages, and simple web page sizes. Its symbol is KB.
KB
GB
1 kilobyte equals
| Gigabytes | 0.000001 GB |
| Megabytes | 0.001 MB |
| Terabytes | 1e-9 TB |
About the kilobyte
The kilobyte emerged in the 1960s with early computing. In the SI decimal system, 1 KB equals 1,000 bytes, though it was historically used to mean 1,024 bytes.
In everyday use the kilobyte appears in small text files, email messages, and simple web page sizes. As a point of reference: a typical plain-text email is about 2 kilobytes.