well daily diet tracker, was a free site which would give you a internet account to log your exercise, calories, meals etc and break down what you'd eaten in terms of protein, carbs and fat.
Calorie Counter, Diet Tracking, Food Journal, Nutrition Facts at The Daily Plate
Have a wee play on that, its free and will tell you what calories you should stick to, but its up to you to make your own shopping list up and menu.
HTH