diff --git a/dcb/dcb.c b/dcb/dcb.c
index 9332a8b2..4b4a5b93 100644
--- a/dcb/dcb.c
+++ b/dcb/dcb.c
@@ -310,8 +310,8 @@ static void dcb_help(void)
 		"Usage: dcb [ OPTIONS ] OBJECT { COMMAND | help }\n"
 		"       dcb [ -f | --force ] { -b | --batch } filename [ -N | --Netns ] netnsname\n"
 		"where  OBJECT := ets\n"
-		"       OPTIONS := [ -V | --Version | -j | --json | -p | --pretty\n"
-		"                  | -s | --statistics | -v | --verbose ]\n");
+		"       OPTIONS := [ -V | --Version | -i | --iec | -j | --json\n"
+		"                  | -p | --pretty | -s | --statistics | -v | --verbose]\n");
 }
 
 static int dcb_cmd(struct dcb *dcb, int argc, char **argv)
@@ -345,6 +345,7 @@ int main(int argc, char **argv)
 		{ "Version",		no_argument,		NULL, 'V' },
 		{ "force",		no_argument,		NULL, 'f' },
 		{ "batch",		required_argument,	NULL, 'b' },
+		{ "iec",		no_argument,		NULL, 'i' },
 		{ "json",		no_argument,		NULL, 'j' },
 		{ "pretty",		no_argument,		NULL, 'p' },
 		{ "statistics",		no_argument,		NULL, 's' },
@@ -365,7 +366,7 @@ int main(int argc, char **argv)
 		return EXIT_FAILURE;
 	}
 
-	while ((opt = getopt_long(argc, argv, "b:fhjpsvN:V",
+	while ((opt = getopt_long(argc, argv, "b:fhijpsvN:V",
 				  long_options, NULL)) >= 0) {
 
 		switch (opt) {
@@ -394,6 +395,9 @@ int main(int argc, char **argv)
 				goto dcb_free;
 			}
 			break;
+		case 'i':
+			dcb->use_iec = true;
+			break;
 		case 'h':
 			dcb_help();
 			return 0;
diff --git a/dcb/dcb.h b/dcb/dcb.h
index b2a13b30..8637efc1 100644
--- a/dcb/dcb.h
+++ b/dcb/dcb.h
@@ -12,6 +12,7 @@ struct dcb {
 	struct mnl_socket *nl;
 	bool json_output;
 	bool stats;
+	bool use_iec;
 };
 
 int dcb_parse_mapping(const char *what_key, __u32 key, __u32 max_key,
diff --git a/man/man8/dcb.8 b/man/man8/dcb.8
index f853b7ba..15b43942 100644
--- a/man/man8/dcb.8
+++ b/man/man8/dcb.8
@@ -43,6 +43,11 @@ failure will cause termination of dcb.
 Don't terminate dcb on errors in batch mode. If there were any errors during
 execution of the commands, the application return code will be non zero.
 
+.TP
+.BR "\-i" , " --iec"
+When showing rates, use ISO/IEC 1024-based prefixes (Ki, Mi, Bi) instead of
+the 1000-based ones (K, M, B).
+
 .TP
 .BR "\-j" , " --json"
 Generate JSON output.