Large Banana Calories & Carbs
Last updated September 8, 2026 · Compiled by the CarbMeNot Team
Values per 1 large banana (136g), 136g; per 100 g: 20.2g net carbs, 89 cal. Net carbs = total carbs − fiber − sugar alcohols — do the math for any label with the free net carbs calculator.
How many carbs are in large banana?
Large Banana — 1 large banana (136g), 136g — has 27.5g net carbs: 31g total carbs minus 3.5g fiber, plus 1.5g protein, 0.4g fat, and 121 calories. Per 100g that is 20.2g net carbs (22.8g total carbs, 2.6g fiber) and 89 calories. That makes large banana high in net carbs and about average for the typical fruit, which averages about 17.3g net carbs per 100g. At this carb count, large banana is best limited to small portions on keto (usually 20–50g net carbs per day). Values are per 100 g, sourced from Manufacturer-reported values; net carbs are computed by CarbMeNot.
Is large banana keto-friendly?
Large Banana is generally not keto-friendly. 1 large banana (136g), 136g is 27.5g net carbs (31g total carbs − 3.5g fiber); per 100g that is 20.2g net carbs. On a standard keto diet (20–50g net carbs per day), even one serving uses a large share of your daily carbs, so keep portions small or save it for a higher-carb day.
Keeping an eye on carbs in large banana?
Large Banana runs higher in carbs, so portions matter. CarbMeNot tracks every gram from a photo, so you stay under your daily limit without the math.
Carbs by serving size
| Serving | Net carbs | Total carbs | Protein | Calories |
|---|---|---|---|---|
| 1 large banana (136g) | 27.5g | 31g | 1.5g | 121 |
| 100 g (3.5 oz) | 20.2g | 22.8g | 1.1g | 89 |
| 1 oz (28 g) | 5.7g | 6.4g | 0.3g | 25 |
How many calories are in large banana?
Large Banana — 1 large banana (136g), 136g — has 121 calories, with 1.5g protein, 0.4g fat, and 27.5g net carbs. Per 100g: 89 calories and 20.2g net carbs.
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: Manufacturer-reported values (fruits). Net carbs = total carbs − fiber − sugar alcohols, computed by CarbMeNot.
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Frequently asked questions
- How many carbs are in large banana?
- Large Banana (1 large banana (136g), 136g) has 31g of total carbs and 27.5g of net carbs. Per 100 grams: 22.8g total, 20.2g net.
- How many net carbs are in large banana?
- Large Banana has 27.5g of net carbs per 1 large banana (136g), 136g — 31g total carbs minus 3.5g fiber.
- Is large banana keto-friendly?
- Large Banana is generally not keto-friendly. 1 large banana (136g), 136g is 27.5g net carbs (31g total carbs − 3.5g fiber); per 100g that is 20.2g net carbs. On a standard keto diet (20–50g net carbs per day), even one serving uses a large share of your daily carbs, so keep portions small or save it for a higher-carb day.
- How many calories are in large banana?
- Large Banana (1 large banana (136g), 136g) has 121 calories; that is 89 calories per 100 grams.
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CarbMeNot provides general nutrition information, not medical advice. Values are estimates — verify before relying on them for any health decision. See our Medical Disclaimer.