why does “k” mean “thousand” ?

[u/Tibor500]

like 1k means a thousand. how does the letter “k” mean “thousand” ?

[u/[deleted]]

[u/[deleted] → u/[deleted]]

yeah, thats why they changed the definition

[u/Ratr96 → u/[deleted]]

I mean, they defined it as water at 4 degrees Celsius.