Carbs in Banana
Banana (per 100 g) contains 22.8g total carbs, 20.2g net carbs, 0.3g fat, 1.1g protein, and 89 calories.
Last updated June 10, 2026 · Reviewed by Jordan Lee, RD, Registered Dietitian
20.2g
Net carbs
22.8g
Total carbs
2.6g
Fiber
1.1g
Protein
0.3g
Fat
89
Calories
Values per 100 g.
Carbs by serving size
| Serving | Net carbs | Total carbs | Protein | Calories |
|---|---|---|---|---|
| 1 medium banana | 23.8g | 26.9g | 1.3g | 105 |
| 100 g (3.5 oz) | 20.2g | 22.8g | 1.1g | 89 |
| 1 oz (28 g) | 5.7g | 6.4g | 0.3g | 25 |
Nutrition facts
| Nutrient | Amount (per 100 g) |
|---|---|
| Calories | 89 |
| Total carbs | 22.8g |
| Net carbs | 20.2g |
| Fiber | 2.6g |
| Sugar | 12.2g |
| Sugar alcohols | 0g |
| Protein | 1.1g |
| Fat | 0.3g |
| Sodium | 1mg |
| Potassium | 358mg |
Source: USDA FoodData Central (Foundation). Net carbs = total carbs − fiber − sugar alcohols, computed by CarbMeNot.
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Frequently asked questions
- How many carbs are in banana?
- Banana has 22.8g of total carbs and 20.2g of net carbs per 100 grams.
- How many net carbs are in banana?
- Banana has 20.2g of net carbs per 100 grams (total carbs 22.8g minus 2.6g fiber).
- Is banana keto-friendly?
- Banana has 20.2g net carbs per 100g, which is high for keto. Enjoy it in small portions or save it for higher-carb days.
- How many calories are in banana?
- Banana has 89 calories per 100 grams.
- How many carbs are in 1 medium banana of banana?
- 1 medium banana of banana (118g) has about 23.8g net carbs, 26.9g total carbs, and 105 calories.
