diff --git a/include/libbb.h b/include/libbb.h
index 9550c0589..26b686805 100644
--- a/include/libbb.h
+++ b/include/libbb.h
@@ -863,6 +863,7 @@ struct suffix_mult {
 extern const struct suffix_mult bkm_suffixes[];
 #define km_suffixes (bkm_suffixes + 1)
 extern const struct suffix_mult cwbkMG_suffixes[];
+#define kMG_suffixes (cwbkMG_suffixes + 3)
 
 #include "xatonum.h"
 /* Specialized: */
diff --git a/libbb/xatonum.c b/libbb/xatonum.c
index 19b54fb0c..9dd5c3e7e 100644
--- a/libbb/xatonum.c
+++ b/libbb/xatonum.c
@@ -83,7 +83,9 @@ const struct suffix_mult cwbkMG_suffixes[] = {
 	{ "kB", 1000 },
 	{ "kD", 1000 },
 	{ "k", 1024 },
-	{ "K", 1024 },  /* compat with coreutils dd (it also accepts KB and KD, TODO?) */
+	{ "KB", 1000 }, /* compat with coreutils dd */
+	{ "KD", 1000 }, /* compat with coreutils dd */
+	{ "K", 1024 },  /* compat with coreutils dd */
 	{ "MB", 1000000 },
 	{ "MD", 1000000 },
 	{ "M", 1024*1024 },