Not every food has the calories listed. Like Fruits and Vegetable for example. If you want to know how many calories are in a banana you need a chart of some sort.
Fruit-Calories
Apple- 81
Avocado- 306
Banana- 109
1 Cup Blueberries- 81
1 Cup Cherries- 88
Grapefruit- 37
10 Grapes- 35
Kiwi- 46
Lemon- 17
Pomelos- 231
Mangos- 135
Cantaloupe- 97
Honeydew- 56
Nectarines- 67
Orange- 62
Papayas- 55
Peaches- 42
Pear- 98
Pineapple- 76
Plums- 36
Pomegranate- 105
Prunes- 201
Raisins- 435
Raspberries- 60
Rhubarb- 278
Strawberries- 43
Tangerines- 37
Watermelon- 91
Assume 1 Cup as the serving size if the fruit smaller than a quarter.