Calories in Banana Bread
A typical slice of homemade banana bread (~60g) is approximately 200 kcal. Bakery-style with nuts and oil reaches 320-400 kcal per slice.
Nutrition by portion size
| Portion | kcal | Carbs (g) | Protein (g) | Fat (g) | Fiber (g) |
|---|---|---|---|---|---|
| 1 slice homemade (~60g) | 200 | 33 | 2.5 | 6.5 | 1.4 |
| 1 slice bakery (~85g) | 290 | 45 | 4 | 11 | 2 |
| 1 large slice (~120g) | 400 | 60 | 5.5 | 16 | 2.8 |
| 100g banana bread | 335 | 53 | 4 | 12 | 2.3 |
About these numbers
Banana bread feels "healthier" than other cake-adjacent baked goods because of the fruit content — but the calorie density (335 kcal per 100g) is similar to typical loaf cakes. The bananas contribute fiber (~3g per loaf) and potassium but the added sugar (often 1 cup per loaf) and oil/butter (often 1/2 cup) drive the calorie load. Treat it as a dessert, not a fruit serving.
Use the calculators
- Calorie Deficit Calculator — find how this portion fits your daily target
- Glycemic Load Calculator — compute exact GL for any serving size
- Macro Calculator — set protein, carb, fat splits for cut/maintain/bulk
- Net Carbs Calculator — useful for keto and T1D insulin dosing
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Frequently asked questions
- How many calories in banana bread?
- Homemade slice (~60g): ~200 kcal. Bakery-style (~85g): ~290 kcal. Large slice (~120g): ~400 kcal. The added sugar and oil push calorie density to ~335 per 100g — similar to typical cake.
- Is banana bread healthy?
- Not particularly. Despite the fruit content, the added sugar and butter/oil make banana bread caloric-equivalent to most cakes. Treat as occasional dessert, not as a healthy snack. Lower-calorie versions exist (Greek yoghurt substitution, reduced sugar, oat flour) but lose the rich texture.
- Can I eat banana bread on a diet?
- Yes, as a planned treat. A 200-kcal slice fits in most calorie targets. The trap is portion (2 slices = 400 kcal) and the "it has bananas so its healthy" mental override. Budget it consciously and stop at one slice.
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