NUMFMT(1) General Commands Manual NUMFMT(1) (NAME) numfmt - / (SYNOPSIS) numfmt [OPTION]... [NUMBER]... (DESCRIPTION) / (OPTIONS) --debug --grouping (locale) 1,000,000 ( C/POSIX ) -d, --delimiter X --field [: 1] FIELDS --format FORMAT printf FORMAT --from [: none] UNIT UNIT --from-unit [: 1] --to [: none] UNIT UNIT --to-unit [: 1] --padding (pad) N N N N --header[=] ( ) N N --round [: from-zero] METHOD : o up o down o from-zero o towards-zero o nearest --suffix SUFFIX SUFFIX --unit-separator STRING --invalid [: abort] : o abort o fail o warn o ignore -z, --zero-terminated NUL (newline) -h, --help -V, --version (EXTRA) UNIT: - none: - auto: : 1K = 1000, 1Ki = 1024, 1M = 1000000, 1Mi = 1048576, - si: : 1K = 1000, 1M = 1000000, ... - iec: : 1K = 1024, 1M = 1048576, ... - iec-i: : 1Ki = 1024, 1Mi = 1048576, ... - FIELDS cut(1) : N N N- N N-M N M ( ) -M M ( ) - / FORMAT %f . (%'f) --grouping ( ). (%10f) . (%010f) . (%-10f) . (%.1f) . (VERSION) v(uutils coreutils) 0.11.0 2026-09-01 NUMFMT(1)