Storage units KB KiB ... What!

What am I on about?

The term Kilobyte has been around forever. I was taught it at school and many many others have used this term for a very long time. It has "changed".




  • We determine a kilobyte as 1024 bytes
  • A byte as 8 bits


And therefore going to our larger sizes


  • 1 Gigabyte = 1024 Megabytes
  • 1 Megabyte = 1024 Kilobytes


So today I was told about the kibibyte or KiB. This is the new denomination for 1024 bytes which was originally created in 1999 ( International Electrotechnical Commission (January 1999), IEC 60027-2 Amendment 2: Letter symbols to be used in electrical technology - Part 2: Telecommunications and electronics )

In 2008, the IEC created a standardisation for it... This is:

IEC 80000-13:2008

So

What is a kibibyte etc now!


A Kibibyte is now 1024 bytes
A Kilobyte is now 1000 bytes

A Mebibyte is 1024 Kibibytes
A Megabyte is 1000 Kilobytes


A Gibibyte is 1024 Mebibytes

A Gigabyte is 1000 Megabytes

Lets do a big change now

Mebibyte to Kilobyte = ‪1048.576‬
Gibibyte to Megabyte = ‪1048.576‬

Weird if you ask me...

Why change it?


Who knows. As far as I am concerned, almost all storage mediums still use the archaic terms so I am sticking with them

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