calc GB from usage

clientarea.tpl

@@ -342,7 +342,7 @@
                         <div class="col-sm-6">
                           <h4>{lang key='diskSpace'}</h4>
                           <input type="text" value="{$diskpercent|substr:0:-1}" class="dial-usage" data-width="100" data-height="100" data-min="0" data-readOnly="true" />
-                          <p>{($diskusage / 1024)|round:1} GB / {($disklimit / 1024)|round:1} GB</p>
+                          <p>{($diskusage / 1024 / 1024)|round:1} GB / {($disklimit / 1024 / 1024)|round:1} GB</p>
                         </div>
                       </div>
                       <div class="clearfix">