numfmt Command Examples

Convert numbers to and from human-readable strings. More information: https://www.gnu.org/software/coreutils/manual/html_node/numfmt-invocation.html.

• 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|--summarize]}} * | numfmt --to iec --format "%-5f"