Files size units KiB vs KB vs kB

"1 KB" means 1024 bytes (as Windows would report it, traditional usage) "1 kB" means 1000 bytes (as Mac OS would report it, IEC usage) "1 KiB" means 1024 bytes (unambiguous, but perhaps unfamiliar terminology)

1. Does Windows use KiB or KB?
2. What is a KiB?
3. What is the difference between Kibibit and kilobit?

Does Windows use KiB or KB?

Although the International Electronic Commission established the term kibibyte for 1024 bytes, with the abbreviation KiB, Windows Explorer continues to use the abbreviation KB.

What is a KiB?

Definitions of KiB. a unit of information equal to 1024 bytes. synonyms: K, KB, kB, kibibyte, kilobyte. type of: computer memory unit. a unit for measuring computer memory.

What is the difference between Kibibit and kilobit?

The kilobit is closely related to the much less used kibibit, a unit multiple derived from the binary prefix kibi- (symbol Ki) of the same order of magnitude, which is equal to 2¹⁰bits = 1024 bits, or approximately 2% larger than the kilobit.