Kibibyte Per Second (KiB/s)

ComputingCurrent unit

1,024 bytes per second.

1 kibibyte per second = 8,192 bits per second (exactly).

1 kibibyte per second = 8,192 bits per second

About the kibibyte per second

File-transfer dialogs and download managers often show a speed in kilobytes per second, and the kibibyte per second is the unambiguous form of that reading. A kibibyte is 1,024 bytes. The kilobyte had long been used for that number, especially for memory, because 1,024 is close to 1,000. In 1998 the IEC introduced kibibyte, KiB, and said that kilobyte should mean 1,000 bytes only.

Real software has been slow to follow. Windows divides sizes by 1,024, so a file of 65,536 bytes appears as 64 KB, while recent versions of macOS show the same file as 66 kB. For a rate, one kibibyte per second is 1,024 bytes per second, which is 8,192 bits per second and about 1.024 decimal kilobytes per second. It is eight times the kibibit per second, since a byte holds eight bits.

Sources: Wikipedia: Kilobyte; Wikipedia: Data-rate units; NIST: Prefixes for binary multiples

Kibibyte Per Second conversion chart

1 kibibyte per second expressed in every other data transfer rate unit:

Unit1 kibibyte per second
Bps8,192
Kbps8.192
Mbps0.008192
Gbps0.000008192
MB/s0.001024
Tbps8.192×10⁻⁹
B/s1,024
KB/s1.024
GB/s0.000001024
MiB/s0.0009765625
Kibit/s8
Mibit/s0.0078125
Gibit/s0.000007629394531
GiB/s9.536743164×10⁻⁷

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