diff -urN portage-2.2.22-orig/pym/portage/localization.py portage-2.2.22/pym/portage/localization.py
--- portage-2.2.22-orig/pym/portage/localization.py	2014-10-20 10:51:42 +0900
+++ portage-2.2.22/pym/portage/localization.py	2015-09-29 11:04:10 +0900
@@ -36,7 +36,7 @@
 	(given in bytes). The output will be in kibibytes.
 	"""
 
-	# always round up, so that small files don't end up as '0 KiB'
-	num_kib = math.ceil(num_bytes / 1024)
-	formatted_num = locale.format('%d', num_kib, grouping=True)
-	return (_unicode_decode(formatted_num, encoding=_encodings['stdio']) + ' KiB')
+	# always round up, so that small files don't end up as '0 kB'
+	num_kb = math.ceil(num_bytes / 1000)
+	formatted_num = locale.format('%d', num_kb, grouping=True)
+	return (_unicode_decode(formatted_num, encoding=_encodings['stdio']) + ' kB')