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Why a kilobyte is 1000 and not 1024 bytes (zeta.one)

submitted 11 months ago by [email protected] to c/[email protected]

210 comments fedilink hide all child comments

I often find myself explaining the same things in real life and online, so I recently started writing technical blog posts.

This one is about why it was a mistake to call 1024 bytes a kilobyte. It's about a 20min read so thank you very much in advance if you find the time to read it.

Feedback is very much welcome. Thank you.

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[–] [email protected] 4 points 11 months ago (1 children)

In terms of storage 1000 and 1024 take the same amount of bytes.

What? No. A terabyte in 1024 units is 8,796,093,022,208 bits. In 1000 units it's 8,000,000,000,000 bits.

The difference is substantial with larger numbers.

[–] [email protected] -4 points 11 months ago* (last edited 11 months ago)

Both require the same amount of bits again. So the second one makes more sense for a computer.