How many calories in
banana?
A medium banana is about 105 calories with 27g of carbs, mostly fast-digesting sugars and a small amount of fiber. It's the classic pre- or post-workout snack because it's portable and provides quick energy. Bananas also bring a useful amount of potassium for muscle function.
Common serving sizes.
Calories scale with portion. Here's how a typical banana serving translates in your tracker:
What 89 calories means.
Balanced — banana sits in a moderate range and fits weight loss, maintenance, or muscle gain when portioned to your daily target.
Skip the lookup. Snap the plate.
Point your iPhone camera at banana and Spotwell's AI estimates the portion and macros in a few seconds. Check it, adjust anything that looks off, and log it.
Download on theApp StoreQuick answers.
How many calories in banana?
Banana has approximately 89 calories per 100g. A typical serving — 1 medium (118g) — comes in at 105 calories.
How much protein is in banana?
1.1g of protein per 100g. That puts banana at roughly 1.2g of protein per 100 calories — a useful lens when comparing to other fruits sources.
How do I log banana accurately?
The simplest method: weigh it on a kitchen scale, then enter grams in your tracker. With Spotwell, you can skip the scale — point the camera at the plate and the AI estimates the portion in a few seconds. Adjust the value if it looks off.
Is banana good for weight loss?
It depends on your overall calorie target. Banana is naturally low-calorie at 89 kcal per 100g, so it's easy to fit into a deficit.