Carbs in Large Banana
How many carbs are in large banana?
Large Banana has 20.2g net carbs per 100g — 22.8g total carbs minus 2.6g fiber — plus 1.1g protein, 0.3g fat, and 89 calories. 1 large banana (136g) works out to about 27.5g net carbs and 121 calories. That makes large banana high in net carbs and about average for the typical fruit, which averages about 17.4g 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 per 100 g, sourced from Manufacturer-reported values; net carbs are computed by CarbMeNot.
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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.
Last updated June 10, 2026 · Reviewed by Jordan Lee, Nutrition Editor
Values per 100 g.
Is large banana keto-friendly?
Large Banana is generally not keto-friendly. It has 20.2g net carbs per 100g (22.8g total carbs − 2.6g fiber). A typical serving — 1 large banana (136g) — is about 27.5g 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.
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 has 89 calories per 100g. 1 large banana (136g) has about 121 calories. That's alongside 1.1g protein, 0.3g fat, and 20.2g net carbs per 100g.
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 has 22.8g of total carbs and 20.2g of net carbs per 100 grams.
- How many net carbs are in large banana?
- Large Banana has 20.2g of net carbs per 100 grams (total carbs 22.8g minus 2.6g fiber).
- Is large banana keto-friendly?
- Large Banana is generally not keto-friendly. It has 20.2g net carbs per 100g (22.8g total carbs − 2.6g fiber). A typical serving — 1 large banana (136g) — is about 27.5g 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 has 89 calories per 100 grams.
- How many carbs are in 1 large banana (136g)?
- 1 large banana (136g) (136g) has about 27.5g net carbs, 31g total carbs, and 121 calories.
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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.