🍌 Nutrition FactsDecember 7, 2025
Calories in a Banana: Complete Nutrition Guide
Bananas are one of the most popular fruits worldwide. Here's everything you need to know about banana calories and nutrition.
Quick Answer
105
Calories (medium)
27g
Carbs
1.3g
Protein
0.4g
Fat
Banana Calories by Size
Banana calories vary significantly based on size. Here's a breakdown:
| Size | Length | Weight | Calories |
|---|---|---|---|
| Extra Small | Less than 6" | 81g | 72 cal |
| Small | 6-7" | 101g | 90 cal |
| Medium | 7-8" | 118g | 105 cal |
| Large | 8-9" | 136g | 121 cal |
| Extra Large | 9" or longer | 152g | 135 cal |
Full Nutrition Facts (Medium Banana)
- Calories: 105
- Total Carbohydrates: 27g
- Dietary Fiber: 3.1g
- Sugars: 14g
- Protein: 1.3g
- Fat: 0.4g
- Potassium: 422mg (12% DV)
- Vitamin B6: 0.4mg (25% DV)
- Vitamin C: 10mg (17% DV)
- Magnesium: 32mg (8% DV)
Are Bananas Good for Weight Loss?
Bananas can absolutely fit into a weight loss diet. At around 100 calories for a medium banana, they're a nutrient-dense snack that provides:
- Natural energy from easily digestible carbs
- Fiber to keep you full longer
- Potassium for muscle function and reducing bloating
- No added sugars — all natural sweetness
The key is tracking them accurately. A large banana has 30% more calories than a small one — that difference adds up over time.
How to Track Banana Calories
For accurate tracking, weigh your banana without the peel. Use these values:
- Per 100g (peeled): 89 calories
- Per ounce: 25 calories
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