KB/s

What is a Kilobyte per Second?

Data Transfer Unit

Definition

Kilobytes per second (KB/s) is a unit of data transfer rate equal to 1,000 bytes per second.

History

KB/s was common for file downloads during dial-up and early broadband internet when speeds were measured in kilobits.

Common Uses

  • Download progress indicators
  • Low-speed connections
  • IoT data transfer
  • Legacy systems

Fun Facts

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Dial-up downloaded at about 5-7 KB/s

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A 1 MB file at 100 KB/s takes 10 seconds

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Early CD-ROM drives were rated in KB/s (150 KB/s = 1x)

All Kilobyte per Second Conversions