1. Log into Blogger with Account 1
2. For the blog you want to transfer, go to the Basic page under Settings
3. Under Blog Authors, click on Add authors
4. Enter the email for Account 2 and click Invite authors
5. Log out of Account 1 and log into Gmail for Account 2
6. Click on the link in the email to accept the invite
7. Click the here link
8. Log out of Account 2 and log back into Blogger as Account 1
9. Go back to the Basic page under Settings
10. Under the Author drop down next to Account 2, select Admin
11. Click on the X next to Account 1
The blog is now transferred to Account 2.
The following video demonstrates how to transfer a Blogger blog from one account to another: