Answers:
This answer can't be answered correctly as it adjectives depends on your muscle, hustle and bustle, lifestyle, age, and various other factor. lately approaching your finger prints everyone is different.
http://www.keysupplements.com/
General rule:
1200 calories will hold a 5'7" ish soul alive surrounded by a coma.
What I bookish going on for counting calories years ago made me stop counting.