Bananas are a staple fruit for many. They are a quick source of energy and a convenient snack. When tracking nutrition, knowing the calorie count of a banana is helpful.
The calories in a banana vary quite a bit. Size, ripeness and preparation method all play a role, which is why the figures below are given as a range rather than a single number.
We present nutritional data per 100 grams of raw banana. This is a standard reference point. Keep in mind that a typical medium banana weighs around 120 grams.
| Nutrient | Low Range (per 100g) | Medium (per 100g) | High Range (per 100g) | Unit |
|---|---|---|---|---|
| Energy | 90 | 97 | 105 | kcal |
| Protein | 0.7 | 0.74 | 0.8 | g |
| Total Fat | 0.2 | 0.28 | 0.3 | g |
| Carbohydrates | 22 | 22.71 | 24 | g |
| Fiber | 1.5 | 1.7 | 2.0 | g |
Values based on USDA FoodData Central for "Banana, raw" (FDC ID 2709224).
The calorie and macro content of a banana is not a fixed number. Several factors influence these values:
This is the most obvious variable. A small banana will naturally have fewer calories than a large one. * Small banana: Approximately 100 grams (~90-100 kcal). * Medium banana: Approximately 120 grams (~110-125 kcal). * Large banana: Approximately 150 grams (~135-155 kcal).
These are just averages. The actual weight can vary even within the same "size" category.
The ripeness level of a banana changes its carbohydrate profile. * Green bananas contain more resistant starch. This type of carbohydrate is not fully digested, which means slightly fewer absorbable calories. * Ripe bananas (yellow with brown spots) have converted much of their starch into simple sugars. This makes them sweeter and their carbohydrates more readily available for digestion. The total carbohydrate content remains similar, but the type of carbohydrate shifts.
How you prepare a banana drastically alters its nutritional profile. * Raw: The values in our table are for raw bananas. This is the baseline. * Baked/Fried: Adding oil, butter, or sugar during cooking significantly increases the calorie and fat content. For example, a baked banana (FDC ID 2709225) that includes butter and brown sugar can have around 161 kcal per 100g. This is nearly double that of a raw banana. * Dried: Dehydrated bananas (FDC ID 173945) are much more calorie-dense. Removing water concentrates the sugars and other nutrients. They can contain over 300 kcal per 100g.
Understanding these variables helps you track your intake more accurately.
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