How to convert from evernote rich text to markdown on IPad?
Answer in http://discussion.evernote.com/topic/33759-markdown-wysiwyg-support-plz/?p=191298
pointed me to 
http://markable.in/. 

When logged-in (essential!) to the  http://markable.in/editor/ there is an option to import from EverNote, that will be translated to Markdown. 
Note that translation needs review, because it could have some minor bugs.