How Many Calories Are There In An Apple?: One apple a day .. Yes, yes, you know the rest. But how many calories, of course, is in an apple- and is that the staple your mother is packed in your school lunch meal is that great for you? The expert says yes. 'Apples are consumed the second most fruit, behind the bananas, for one reason! They are usually affordable, portable, healthy, and delicious,” says Alex Caspero, R.D., author at Delish Knowledge. How Many Calories Are There In An Apple? Calories In Apple As far as going to the calories, you