If you want df(1) and other commands to display disk sizes in
kilobytes instead of 512-byte blocks, set BLOCKSIZE in your
environment to 'K'. You can also use 'M' for Megabytes or 'G' for
Gigabytes. If you want df(1) to automatically select the best size
then use 'df -h'.
If you have a fediverse account, you can quote this note from your own instance. Search https://mastodon.bsd.cafe/users/fbfortune/statuses/115792833239000007 on your instance and quote it. (Note that quoting is not supported in Mastodon.)