Carbs in A Slice of Banana Bread
How many carbs are in a slice of banana bread?
A Slice of Banana Bread has 53.3g net carbs per 100g — 55g total carbs minus 1.7g fiber — plus 5g protein, 10g fat, and 327 calories. 1 slice (60g) works out to about 32g net carbs and 196 calories. That makes a slice of banana bread high in net carbs and about average for the typical snacks and sweet, which averages about 55.7g 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 Manufacturer-reported values; net carbs are computed by CarbMeNot.
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Last updated June 10, 2026 · Reviewed by Jordan Lee, Nutrition Editor
Values per 100 g.
Is a slice of banana bread keto-friendly?
A Slice of Banana Bread is generally not keto-friendly. It has 53.3g net carbs per 100g (55g total carbs − 1.7g fiber). A typical serving — 1 slice (60g) — is about 32g 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 (60g) | 32g | 33g | 3g | 196 |
| 100 g (3.5 oz) | 53.3g | 55g | 5g | 327 |
| 1 oz (28 g) | 14.9g | 15.4g | 1.4g | 92 |
How many calories are in a slice of banana bread?
A Slice of Banana Bread has 327 calories per 100g. 1 slice (60g) has about 196 calories. That's alongside 5g protein, 10g fat, and 53.3g net carbs per 100g.
Nutrition facts
| Nutrient | Amount (per 100 g) |
|---|---|
| Calories | 327 |
| Total carbs | 55g |
| Net carbs | 53.3g |
| Fiber | 1.7g |
| Sugar | 31.7g |
| Sugar alcohols | 0g |
| Protein | 5g |
| Fat | 10g |
| Sodium | 302mg |
| Potassium | 207mg |
Source: Manufacturer-reported values (bread-grains). 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 has 55g of total carbs and 53.3g of net carbs per 100 grams.
- How many net carbs are in a slice of banana bread?
- A Slice of Banana Bread has 53.3g of net carbs per 100 grams (total carbs 55g minus 1.7g fiber).
- Is a slice of banana bread keto-friendly?
- A Slice of Banana Bread is generally not keto-friendly. It has 53.3g net carbs per 100g (55g total carbs − 1.7g fiber). A typical serving — 1 slice (60g) — is about 32g 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 has 327 calories per 100 grams.
- How many carbs are in 1 slice (60g)?
- 1 slice (60g) (60g) has about 32g net carbs, 33g total carbs, and 196 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.