compare

1. be used to


The be used to expression is for talking about something that is familiar to us or easy for us. For example:
I am used to driving on the left.
(Article Source: http://www.englishclub.com/grammar/verbs-m_used-be-used-to.htm )

I am used to manage my blog to share my diary or my experiences. Plus, I inivite friends to visit my blog.

2. used to

We use used to do to talk about the past. It is not a tense but it is like a tense. It is a special expression. We use the expression used to do for the past only.

(Article Source:
http://www.englishclub.com/grammar/verbs-m_used-to-do.htm)

I used to work at 9 a.m. in the Taipei City Goverment, but now I need to arrive office before 8:30 a.m. So I have to get up earlier for woring in the land office compared with working in the Taipei City goverment.