convert MySql database (drupal 5 -> Drupal 7)

we have upgraded a site from drupal 5 to drupal 7. The only thing thats left is the mySql database that needs to be converted so it works on drupal7 What needs to be done is that the db is first upgraded to drupal 6 version of the site and after that it need to be converted to drupal 7 Many modules that where specia lwritten for drupal 5 is know more standard drupal modules.