$ curl cheat.sh/
 cheat:numfmt 
# To convert bytes to Human readable format
numfmt --to=iec --suffix=B --padding=7 1048576

 tldr:numfmt 
# numfmt
# Convert numbers to and from human-readable strings.
# More information: <https://www.gnu.org/software/coreutils/numfmt>.

# Convert 1.5K (SI Units) to 1500:
numfmt --from=si 1.5K

# Convert 5th field (1-indexed) to IEC Units without converting header:
ls -l | numfmt --header=1 --field=5 --to=iec

# Convert to IEC units, pad with 5 characters, left aligned:
du -s * | numfmt --to=iec --format="%-5f"

$
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