Migration Blogger to WordPress

I am planning to migrate to word press from blogger, does anyone know how to do this the easiest way? can someone helpme, also if i migrate will i lose my rankings etc. please help.

Yes it will affects on your ranking because of URL change from blogspot.com to wordpress.com secondaly it is very easy to move your blog to wordpress, just signin to wordpress account and find the option of import blog and set up your new blog

Wellone advantage i have is that im using my own domain so the right person might be able to keep the url the same. Another question is my blog is actually designed like a webpage with hundreds of articles in sub directories, will i have to manually redo all the topics etc, i have no clue about how wordpress works.I want my own hosting etc,

Can anyone help with this.