diff --git a/salt/elasticsearch/tools/sbin_jinja/so-elasticsearch-cluster-space-used b/salt/elasticsearch/tools/sbin_jinja/so-elasticsearch-cluster-space-used
index 971708eba..7c0f2f3c6 100755
--- a/salt/elasticsearch/tools/sbin_jinja/so-elasticsearch-cluster-space-used
+++ b/salt/elasticsearch/tools/sbin_jinja/so-elasticsearch-cluster-space-used
@@ -21,13 +21,13 @@ for i in $(/usr/sbin/so-elasticsearch-query _cat/allocation | awk '{print $2}');
   size=$(echo $i | grep -oE '[0-9].*' | awk '{print int($1+0.5)}')
   unit=$(echo $i | grep -oE '[A-Za-z]+')
   if [ $unit = "tb" ]; then
-    size=$(( size * 1024 * 1024 * 1024 * 1024 ))
+    size=$(( size * 1000 * 1000 * 1000 * 1000<F12> ))
   elif [ $unit = "gb" ]; then
-    size=$(( size * 1024 * 1024 * 1024 ))
+    size=$(( size * 1000 * 1000 * 1000 ))
   elif [ $unit = "mb" ]; then
-    size=$(( size * 1024 * 1024 ))
+    size=$(( size * 1000 * 1000 ))
   elif [ $unit = "kb" ]; then
-    size=$(( size * 1024 ))
+    size=$(( size * 1000 ))
   elif [ $unit = "b" ]; then
     size=size
   fi