Carbs in A Slice of Banana Bread
How many carbs are in a slice of banana bread?
A Slice of Banana Bread — 1 slice (60g) — has 32.1g net carbs: 32.8g total carbs minus 0.7g fiber, plus 2.6g protein, 6.3g fat, and 196 calories. Per 100g that is 53.5g net carbs (54.6g total carbs, 1.1g fiber) and 326 calories. That makes a slice of banana bread high in net carbs and about average for the typical snacks and sweet, which averages about 55.2g net carbs per 100g. At this carb count, a slice of banana bread is best limited to small portions on keto (usually 20–50g net carbs per day). Values are per per 100 g, sourced from USDA FoodData Central; net carbs are computed by CarbMeNot.
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A Slice of Banana Bread 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 September 8, 2026 · Compiled by the CarbMeNot Team
Values per 1 slice (60g); per 100 g: 53.5g net carbs, 326 cal. Net carbs = total carbs − fiber − sugar alcohols — do the math for any label with the free net carbs calculator.
Is a slice of banana bread keto-friendly?
A Slice of Banana Bread is generally not keto-friendly. 1 slice (60g) is 32.1g net carbs (32.8g total carbs − 0.7g fiber); per 100g that is 53.5g 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 slice | 32.1g | 32.8g | 2.6g | 196 |
| 100 g (3.5 oz) | 53.5g | 54.6g | 4.3g | 326 |
| 1 oz (28 g) | 15g | 15.3g | 1.2g | 91 |
How many calories are in a slice of banana bread?
A Slice of Banana Bread — 1 slice (60g) — has 196 calories, with 2.6g protein, 6.3g fat, and 32.1g net carbs. Per 100g: 326 calories and 53.5g net carbs.
Nutrition facts
| Nutrient | Amount (per 100 g) |
|---|---|
| Calories | 326 |
| Total carbs | 54.6g |
| Net carbs | 53.5g |
| Fiber | 1.1g |
| Sugar | 28g |
| Sugar alcohols | 0g |
| Protein | 4.3g |
| Fat | 10.5g |
| Sodium | 302mg |
| Potassium | 134mg |
Source: USDA FoodData Central (SR Legacy). Net carbs = total carbs − fiber − sugar alcohols, computed by CarbMeNot.
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Frequently asked questions
- How many carbs are in a slice of banana bread?
- A Slice of Banana Bread (1 slice, 60g) has 32.8g of total carbs and 32.1g of net carbs. Per 100 grams: 54.6g total, 53.5g net.
- How many net carbs are in a slice of banana bread?
- A Slice of Banana Bread has 32.1g of net carbs per 1 slice (60g) — 32.8g total carbs minus 0.7g fiber.
- Is a slice of banana bread keto-friendly?
- A Slice of Banana Bread is generally not keto-friendly. 1 slice (60g) is 32.1g net carbs (32.8g total carbs − 0.7g fiber); per 100g that is 53.5g 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 a slice of banana bread?
- A Slice of Banana Bread (1 slice, 60g) has 196 calories; that is 326 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.