Carbs in Small Banana
How many carbs are in small banana?
Small Banana has 18.6g net carbs per 100g — 20g total carbs minus 1.4g fiber — plus 1.2g protein, 0.6g fat, and 90 calories. 1 small banana (101g) works out to about 18.8g net carbs and 91 calories. That makes small banana moderate in net carbs and about average for the typical fruit, which averages about 17.3g net carbs per 100g. At this carb count, small banana is best limited to small portions on keto (usually 20–50g net carbs per day). Values are per per 100 g, sourced from Open Food Facts; net carbs are computed by CarbMeNot.
Keeping an eye on carbs in small banana?
Small 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 small banana keto-friendly?
Small Banana is borderline for keto — it works only in small portions. It has 18.6g net carbs per 100g (20g total carbs − 1.4g fiber). A typical serving — 1 small banana (101g) — is about 18.8g 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 small banana | 18.8g | 20.2g | 1.2g | 91 |
| 100 g (3.5 oz) | 18.6g | 20g | 1.2g | 90 |
| 1 oz (28 g) | 5.2g | 5.6g | 0.3g | 25 |
How many calories are in small banana?
Small Banana has 90 calories per 100g. 1 small banana (101g) has about 91 calories. That's alongside 1.2g protein, 0.6g fat, and 18.6g net carbs per 100g.
Nutrition facts
| Nutrient | Amount (per 100 g) |
|---|---|
| Calories | 90 |
| Total carbs | 20g |
| Net carbs | 18.6g |
| Fiber | 1.4g |
| Sugar | 17.5g |
| Sugar alcohols | 0g |
| Protein | 1.2g |
| Fat | 0.6g |
| Sodium | 0mg |
| Potassium | 0mg |
Source: Open Food Facts (FAIRTRADE). Net carbs = total carbs − fiber − sugar alcohols, computed by CarbMeNot.
Log small banana in one tap
Snap a photo and CarbMeNot's AI logs the carbs, protein, and fat automatically.
Frequently asked questions
- How many carbs are in small banana?
- Small Banana has 20g of total carbs and 18.6g of net carbs per 100 grams.
- How many net carbs are in small banana?
- Small Banana has 18.6g of net carbs per 100 grams (total carbs 20g minus 1.4g fiber).
- Is small banana keto-friendly?
- Small Banana is borderline for keto — it works only in small portions. It has 18.6g net carbs per 100g (20g total carbs − 1.4g fiber). A typical serving — 1 small banana (101g) — is about 18.8g 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 small banana?
- Small Banana has 90 calories per 100 grams.
- How many carbs are in 1 small banana?
- 1 small banana (101g) has about 18.8g net carbs, 20.2g total carbs, and 91 calories.
Similar foods
CarbMeNot provides general nutrition information, not medical advice. Values are estimates — verify before relying on them for any health decision. See our Medical Disclaimer.