So if 20% of the chicken is protein. 8 oz. chicken * .2 = 1.6 oz. protein. 1.6 oz. protein * 28g/oz. = 44.8 grams protein. Thats only 5.6 grams per oz. I have been using 8.5 for my calculations! Maybe that is why some people say to eat 1.5 to 2 grams of protein per lb of bodyweight. Probably...