It is easy to migrate a blog from Google blogger to WordPress. I am stating here the step by step process of migration:-
1. Go your WordPress admin panel and click on Tools >import
2. Then you will get the following Screen:-
and click on blogger.
3. After clicking on blogger you will get the following screen:-
The above screen you will get if your blog is private. First make your blogger blog as public then try to import and you will get all of your blogs.
The above screen shows your blog information. Just click on import on you can do this by uploading your blogger export file in the following way:-
Enjoy your WordPress blog.