diff --git a/treesize.sh b/treesize.sh
new file mode 100755
index 0000000..dd107ac
--- /dev/null
+++ b/treesize.sh
@@ -0,0 +1,15 @@
+#!/usr/bin/env bash
+du -k --max-depth=1 | sort -nr | awk '
+     BEGIN {
+        split("KB,MB,GB,TB", Units, ",");
+     }
+     {
+        u = 1;
+        while ($1 >= 1024) {
+           $1 = $1 / 1024;
+           u += 1
+        }
+        $1 = sprintf("%.1f %s", $1, Units[u]);
+        print $0;
+     }
+     '