diff -urN portage-3.0.82-orig/bin/phase-functions.sh portage-3.0.82/bin/phase-functions.sh
--- portage-3.0.82-orig/bin/phase-functions.sh	2026-08-22 14:02:19 +0900
+++ portage-3.0.82/bin/phase-functions.sh	2026-08-24 01:21:29 +0900
@@ -683,14 +683,14 @@
 			printf "%*s" ${width} "${s1}"
 		}
 
-		# transform number in KiB into MiB, GiB or TiB based on size
+		# transform number in KiB into kB, MB, GB or TB based on size
 		human() {
 			local s1=$1
-			local units=( KiB MiB GiB TiB )
+			local units=( kB MB GB TB )
 
-			s1=$((s1 * 10))
-			while [[ ${s1} -gt 10240 && ${#units[@]} -gt 1 ]] ; do
-				s1=$((s1 / 1024 ))
+			s1=$((s1 * 10240 / 1000))
+			while [[ ${s1} -gt 10000 && ${#units[@]} -gt 1 ]] ; do
+				s1=$((s1 / 1000 ))
 				units=( ${units[@]:1} )
 			done
 
@@ -704,9 +704,9 @@
 			local s2=$2
 			local out="$(padl "${s1}" "${s2}") KiB"
 
-			if [[ ${s1} -gt 1024 ]] ; then
+			if [[ ${s1} -ge 1000 ]] ; then
 				s1=$(human ${s1})
-				if [[ ${s2} -gt 1024 ]] ; then
+				if [[ ${s2} -ge 1000 ]] ; then
 					s2=$(human ${s2})
 					s1=$(padl "${s1}" "${s2}")
 				fi
diff -urN portage-3.0.82-orig/lib/portage/localization.py portage-3.0.82/lib/portage/localization.py
--- portage-3.0.82-orig/lib/portage/localization.py	2026-08-22 14:02:19 +0900
+++ portage-3.0.82/lib/portage/localization.py	2026-08-24 01:22:36 +0900
@@ -32,14 +32,14 @@
 def localized_size(num_bytes):
     """
     Return pretty localized size string for num_bytes size
-    (given in bytes). The output will be in kibibytes.
+    (given in bytes). The output will be in kilobytes.
     """
 
-    # always round up, so that small files don't end up as '0 KiB'
-    num_kib = math.ceil(num_bytes / 1024)
+    # always round up, so that small files don't end up as '0 kB'
+    num_kb = math.ceil(num_bytes / 1000)
     try:
-        formatted_num = locale.format_string("%d", num_kib, grouping=True)
+        formatted_num = locale.format_string("%d", num_kb, grouping=True)
     except UnicodeDecodeError:
         # failure to decode locale data
-        formatted_num = str(num_kib)
-    return f"{formatted_num} KiB"
+        formatted_num = str(num_kb)
+    return f"{formatted_num} kB"