Whatsup every1?

Listen, I go crazy when I count calories. Different sites have different info, and that pisses me off.

My favorite is www.calorie-king.com

Today, my family is having a BBQ.
And they have lean tenderloin.

I eat, on a normal day, 12.5oz can chicken (300cals/60g protein).
Calorie king, says 170g tenderloin 304cals 47g protein.
But I get scared Im not getting near exact figures. WHich is why I use canned chicken.

How do you guys measure cals?
Do you take it from various sources?

Thanks