A 100 g serving of banana has about 89 kcal, with 1.1 g of protein, 22.8 g of carbohydrate (2.6 g of that fibre) and 0.3 g of fat. The table below gives the full breakdown and the most common portion sizes.
| Nutrient | Per 100 g |
|---|---|
| Calories | 89 kcal |
| Protein | 1.1 g |
| Carbohydrate | 22.8 g |
| Fibre | 2.6 g |
| Sugars | 12.2 g |
| Fat | 0.3 g |
| Saturated fat | 0.1 g |
| Sodium | 1 mg |
| Cholesterol | 0 mg |
| Portion | Weight | Calories |
|---|---|---|
| cup, mashed | 225 g | 200 kcal |
| cup, sliced | 150 g | 134 kcal |
| extra small (less than 6" long) | 81 g | 72 kcal |
| small (6" to 6-7/8" long) | 101 g | 90 kcal |
| medium (7" to 7-7/8" long) | 118 g | 105 kcal |
| large (8" to 8-7/8" long) | 136 g | 121 kcal |
To see how banana affects a whole dish, drop it into the recipe calorie calculator with the rest of your ingredients — it totals calories, protein, carbs and net carbs for the recipe, per serving and per 100 g. The methodology shows the exact arithmetic.
About 89 kcal per 100 g. Portion calories depend on how much you use — see the portions table above for common amounts.
Banana has roughly 1.1 g of protein per 100 g.
Its net carbs are about 20.2 g per 100 g (total carbs 22.8 g minus 2.6 g fibre). Whether it fits your day depends on portion size and your carb target.
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