diff --git a/src/calibre/gui2/dialogs/config/__init__.py b/src/calibre/gui2/dialogs/config/__init__.py
index 7bb40bc3b1..63e97995d1 100644
--- a/src/calibre/gui2/dialogs/config/__init__.py
+++ b/src/calibre/gui2/dialogs/config/__init__.py
@@ -453,6 +453,12 @@ class ConfigDialog(QDialog, Ui_Dialog):
                 self.delete_news.setEnabled)
         self.setup_conversion_options()
         self.opt_worker_limit.setValue(config['worker_limit'])
+        self.connect(self.button_open_config_dir, SIGNAL('clicked()'),
+                self.open_config_dir)
+
+    def open_config_dir(self):
+        from calibre.utils.config import config_dir
+        QDesktopServices.openUrl(QUrl.fromLocalFile(config_dir))
 
     def create_symlinks(self):
         from calibre.utils.osx_symlinks import create_symlinks
diff --git a/src/calibre/gui2/dialogs/config/config.ui b/src/calibre/gui2/dialogs/config/config.ui
index 14d37d9c43..05b3273dcc 100644
--- a/src/calibre/gui2/dialogs/config/config.ui
+++ b/src/calibre/gui2/dialogs/config/config.ui
@@ -616,13 +616,20 @@
            </property>
           </widget>
          </item>
-         <item row="2" column="0" colspan="2">
+         <item row="3" column="0" colspan="2">
           <widget class="QPushButton" name="button_osx_symlinks">
            <property name="text">
             <string>&amp;Install command line tools</string>
            </property>
           </widget>
          </item>
+         <item row="2" column="0" colspan="2">
+          <widget class="QPushButton" name="button_open_config_dir">
+           <property name="text">
+            <string>Open calibre &amp;configuration directory</string>
+           </property>
+          </widget>
+         </item>
         </layout>
        </widget>
        <widget class="QWidget" name="page_4">