diff -urN a/tc/tc_util.c b/tc/tc_util.c
--- a/tc/tc_util.c	2000-04-16 19:42:55.000000000 +0200
+++ b/tc/tc_util.c	2003-12-14 06:56:55.000000000 +0100
@@ -108,13 +108,13 @@
 
 	if (*p) {
 		if (strcasecmp(p, "kbps") == 0)
-			bps *= 1024;
+			bps *= 1000;
 		else if (strcasecmp(p, "mbps") == 0)
-			bps *= 1024*1024;
+			bps *= 1000*1000;
 		else if (strcasecmp(p, "mbit") == 0)
-			bps *= 1024*1024/8;
+			bps *= 1000*1000/8;
 		else if (strcasecmp(p, "kbit") == 0)
-			bps *= 1024/8;
+			bps *= 1000/8;
 		else if (strcasecmp(p, "bps") != 0)
 			return -1;
 	} else
@@ -158,10 +158,10 @@
 {
 	double tmp = (double)rate*8;
 
-	if (tmp >= 1024*1023 && fabs(1024*1024*rint(tmp/(1024*1024)) - tmp) < 1024)
-		snprintf(buf, len, "%gMbit", rint(tmp/(1024*1024)));
-	else if (tmp >= 1024-16 && fabs(1024*rint(tmp/1024) - tmp) < 16)
-		snprintf(buf, len, "%gKbit", rint(tmp/1024));
+	if (tmp >= 1000*999 && fabs(1000*1000*rint(tmp/(1000*1000)) - tmp) < 1000)
+		snprintf(buf, len, "%gMbit", rint(tmp/(1000*1000)));
+	else if (tmp >= 1000-10 && fabs(1000*rint(tmp/1000) - tmp) < 10)
+		snprintf(buf, len, "%gKbit", rint(tmp/1000));
 	else
 		snprintf(buf, len, "%ubps", rate);
 	return 0;