Calories in 1 banana: There are 121 calories in 1

There are 121 calories in 1 large Bananas. Get full nutrition facts and other common serving sizes of Bananas including 1 oz and 1 extra small. Calories , fat, protein, and carbohydrate values for for Banana and other related foods. How Much Protein And Calories Are In One Banana? Bananas are a nutritious fruit with high calories, but they do not promote obesity or weight gain. The nutritional value of a medium banana is slightly more than 100 calories , while a large one has 121 calories. A small banana of 101 grams contains 90 calories , while a large banana contains 135 calories.Explore their Banana calorie breakdown by size and ripeness, and find out their health advantages.