diff --git a/data/interface/wmain.ui b/data/interface/wmain.ui
index f9ba54f..2053899 100644
--- a/data/interface/wmain.ui
+++ b/data/interface/wmain.ui
@@ -36,6 +36,8 @@
       <column type="gchararray"/>
       <!-- column-name toedit -->
       <column type="gboolean"/>
+      <!-- column-name duration -->
+      <column type="gchararray"/>
     </columns>
   </object>
   <object class="GtkWindow" id="wmain_window">
@@ -218,18 +220,18 @@
                             <property name="visible">True</property>
                             <property name="can_focus">True</property>
                             <property name="model">liststore_files</property>
-                            <property name="headers_visible">False</property>
+                            <property name="headers_clickable">False</property>
                             <property name="reorderable">True</property>
                             <property name="enable_search">False</property>
                             <property name="search_column">0</property>
-                            <property name="show_expanders">False</property>
                             <signal name="cursor-changed" handler="set_interface_status" swapped="no"/>
                             <child internal-child="selection">
                               <object class="GtkTreeSelection" id="treeview-selection"/>
                             </child>
                             <child>
                               <object class="GtkTreeViewColumn" id="treeviewcolumn2">
-                                <property name="title" translatable="yes">column</property>
+                                <property name="title" translatable="yes">Title</property>
+                                <property name="expand">True</property>
                                 <child>
                                   <object class="GtkCellRendererText" id="cellrenderertext3">
                                     <signal name="edited" handler="on_cellrenderertext3_edited" swapped="no"/>
@@ -241,6 +243,19 @@
                                 </child>
                               </object>
                             </child>
+                            <child>
+                              <object class="GtkTreeViewColumn" id="treeviewcolumn1">
+                                <property name="title" translatable="yes">Duration</property>
+                                <child>
+                                  <object class="GtkCellRendererText" id="cellrenderertext2">
+                                    <property name="alignment">right</property>
+                                  </object>
+                                  <attributes>
+                                    <attribute name="text">3</attribute>
+                                  </attributes>
+                                </child>
+                              </object>
+                            </child>
                           </object>
                         </child>
                       </object>
diff --git a/src/devede/file_movie.py b/src/devede/file_movie.py
index cb2f238..44b4169 100644
--- a/src/devede/file_movie.py
+++ b/src/devede/file_movie.py
@@ -183,6 +183,10 @@ class file_movie(devede.interface_manager.interface_manager):
         self.emit('title_changed',self.title_name)
 
 
+    def get_duration(self):
+        return self.original_length
+
+
     def get_estimated_size(self):
         """ Returns the estimated final file size, in kBytes, based on the final audio and video rate, and the subtitles """
 
diff --git a/src/devede/project.py b/src/devede/project.py
index b255059..bec5c6d 100644
--- a/src/devede/project.py
+++ b/src/devede/project.py
@@ -21,6 +21,7 @@ import time
 import shutil
 import urllib.parse
 import pickle
+import math
 
 import devede.file_movie
 import devede.ask
@@ -219,6 +220,20 @@ class devede_project:
             self.add_several_files(ask_files.files)
 
 
+    def duration_to_string(self,duration):
+
+        seconds = math.floor(duration%60)
+        minutes = math.floor((duration/60)%60)
+        hours = math.floor(duration/3600)
+
+        output = str(seconds)+"s"
+        if ((hours != 0) or (minutes != 0)):
+            output = str(minutes)+"m "+output
+        if (hours != 0):
+            output = str(hours)+"h "+output
+        return output
+
+
     def add_several_files(self,file_list):
         error_list = []
         for efile in file_list:
@@ -229,7 +244,7 @@ class devede_project:
                 error_list.append(os.path.basename(efile))
             else:
                 new_file.connect('title_changed',self.title_changed)
-                self.wliststore_files.append([new_file, new_file.title_name,True])
+                self.wliststore_files.append([new_file, new_file.title_name,True,self.duration_to_string(new_file.get_duration())])
         if (len(error_list)!=0):
             devede.message.message_window(_("The following files could not be added:"),_("Error while adding files"),error_list)
         self.set_interface_status(None)
@@ -648,7 +663,7 @@ class devede_project:
                 else:
                     new_file.restore_file(efile)
                     new_file.connect('title_changed',self.title_changed)
-                    self.wliststore_files.append([new_file, new_file.title_name,True])
+                    self.wliststore_files.append([new_file, new_file.title_name,True,self.duration_to_string(new_file.get_duration())])
             if (len(error_list)!=0):
                 devede.message.message_window(_("The following files in the project could not be added again:"),_("Error while adding files"),error_list)
         self.set_interface_status(None)