diff --git a/static/sdk.js b/static/sdk.js
index 11aa7f9..5662a79 100644
--- a/static/sdk.js
+++ b/static/sdk.js
@@ -5,8 +5,15 @@ var contented = (function ($, currentScriptPath) {
     var baseURL = currentScriptPath.replace('sdk.js', '');
 
     var formatBytes = function(bytes) {
-        // FIXME
-        return Math.floor(bytes / (1024 * 1024)) + " MiB";
+        if (bytes < 1024) {
+            return bytes + " B";
+        } else if (bytes < (1024*1024)) {
+            return (bytes / 1024).toFixed(1) + " KiB";
+        } else if (bytes < (1024*1024*1024)) {
+            return (bytes / (1024*1024)).toFixed(1) + " MiB";
+        } else {
+            return (bytes / (1024*1024*1024)).toFixed(1) + " GiB";
+        }
     };
 
     /**