How many calories are in a medium banana?

A medium banana (7 to 7⅞ inches long, weighing about 4.2 oz or 118g) has 105 calories, 27g of carbs, 1.3g of protein, and 3.1g of fiber.

Are bananas good for weight loss?

Yes. A medium banana is only 105 calories and provides fiber, natural sweetness, and potassium. It satisfies sugar cravings, requires no prep, and has built-in portion control. Just track it as part of your daily calorie budget.

Do banana calories change as they ripen?

Barely. A ripe banana has about 89 calories per 100g, while an overripe banana has about 85. The main change is that resistant starch converts to simple sugars as bananas ripen, which raises the glycemic index but doesn't significantly change the calorie count.

How many calories in a banana with peanut butter?

A medium banana (105 cal) with 1 tablespoon of peanut butter (96 cal) totals about 201 calories. With 2 tablespoons of peanut butter, it's about 297 calories. Always measure the peanut butter — eyeballed portions are usually double.

Are bananas higher in calories than other fruits?

Per 100g, yes — bananas have 89 calories compared to 52 for apples, 47 for oranges, and 32 for strawberries. However, a single medium banana is only 105 calories and comes in a natural, pre-portioned package, making it easy to control your intake.

How many bananas can I eat a day while losing weight?

Most people can easily fit 1–2 bananas per day into a weight loss diet. At 105 calories each, two bananas are 210 calories — that's about 10–14% of a typical 1,500–2,000 calorie weight loss budget. Just count them toward your daily total.

Is frozen banana a good substitute for ice cream?

Absolutely. One frozen banana blended until creamy is 105 calories with a soft-serve texture. That's fewer calories than half a cup of vanilla ice cream (about 137 calories), with the bonus of fiber and potassium and none of the added sugar.

How Many Calories in a Banana? (Best Fruit for Weight Loss?)

Mar 30, 2026

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A medium banana (118g) has 105 calories, 27g of carbs, 1.3g of protein, and 3.1g of fiber, according to USDA FoodData Central. That's for a 7- to 7⅞-inch banana weighing about 4.2 oz.

But here's the thing — bananas come in wildly different sizes, and the difference between a small banana and an extra-large one is over 60 calories. If you're tracking your intake to stay in a calorie deficit, that gap matters. Let's break it all down.

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How Many Calories in a Banana? (Best Fruit for Weight Loss?)

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