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A medium-sized, gently curved banana with smooth yellow peel, a few small brown speckles, and darkened ends.
★Natural
⚡High Potassium

Banana (medium) Calories

Potassium, fiber, energy source

In season: Spring · Summer · Autumn · Winter

CALORIES · 100 G

89kcal

GI

51medium

POTASSIUM · 100 G

358mg

FIBER · 100 G

2.6g

Quick answer

1 piece (medium) of Banana (medium) (118 g) has 105 calories. That works out to 89 calories per 100 g. It contains 26.9 g of carbs, 1.3 g of protein, 0.4 g of fat and 3.1 g of fiber. Its 0.4 mg of B6 covers 25% of the Daily Value. Its glycemic index is 51 (medium), so it raises blood sugar at a moderate pace.

Banana (medium) Nutrition Facts

Selected: 1 piece (medium) · 118 g

105

KCAL / 118G

Carbs

26.9g

· 10% DV

Protein

1.3g

· 3% DV

Fat

0.4g

· 1% DV

Fiber

3.1g

· 11% DV

DV is the share of the daily value covered, on a 2,000 kcal reference diet.

Calories come from: Carbs 92% · Protein 4% · Fat 4%

Banana (medium) nutrition facts table · 1 piece (medium) (118 g)

NutrientAmount% DV
Calories105 kcal
Total fat0.4 g1%
Saturated fat0.13 g1%
Trans fat0 g
Sodium1.18 mg0%
Total carbohydrate26.9 g10%
Fiber3.1 g11%
Protein1.3 g3%

Calories: Calories measure energy. Average daily need is 2,000 kcal. Excess calories are stored as fat, too few cause weight loss.

Carbs: Your body's primary energy source. The brain runs exclusively on carbs. Daily need: 275g.

Protein: Essential for muscle repair and cell growth. Daily need: 50g. Keeps you full and boosts metabolism.

Fat: Needed for hormone production and vitamin absorption. Daily need: 78g. Limit saturated fats, choose unsaturated.

Fiber: Critical for digestive health and satiety. Daily need: 28g. Stabilizes blood sugar, lowers cholesterol.

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How Many Calories in 1 Banana (medium)?

ServingAmountCalories
1 piece (medium)118 g105 kcal
1 piece (quarter)30 g27 kcal
1 piece (mini)45 g40 kcal
1 piece (half)59 g53 kcal
1 piece (extra small)60 g53 kcal
1 piece (small)90 g80 kcal
100 g100 g89 kcal
1 piece (large)150 g134 kcal
1 piece (extra large)180 g160 kcal
1 piece (jumbo)200 g178 kcal

Calculated from 89 calories per 100 g.

Frequently Asked Questions About Banana (medium)

How do you ripen bananas quickly?

Put bananas in a paper bag at room temperature to speed ripening. Adding an apple can help because it releases ethylene, a gas that encourages fruit to ripen; avoid sealing the bag airtight.

Should bananas be refrigerated?

Refrigerate bananas once they reach the ripeness you like. The peel may turn dark in the cold, but the fruit inside usually stays usable longer than it would on the counter.

Can you freeze bananas?

Yes. Peel bananas, slice them, and freeze the pieces in a single layer before transferring them to a sealed container. Frozen banana works well in smoothies and baking, though thawed pieces become soft.

Why do bananas turn brown?

Bananas turn brown as they ripen and their peel’s pigments change; bruising and cold storage can also darken the skin. Brown spots alone do not mean the fruit is spoiled.

Can you eat banana peels?

Yes, banana peels are edible, but they are often tough and bitter. Wash the peel thoroughly if you plan to eat it; cooking or blending it can make the texture easier to handle.

Are green bananas healthier than ripe bananas?

Neither is universally healthier: green bananas contain more resistant starch, while ripening converts some of that starch into sugars and softens the fruit. Choose based on taste, texture, and how your body responds.

Do bananas cause constipation?

Ripe bananas do not usually cause constipation and provide fiber. Very green bananas contain more resistant starch, which may make bowel movements harder for some people; drinking enough fluid also supports regularity.

How many bananas can you eat in a day?

There is no fixed daily limit that suits everyone. For most people, bananas can be part of a varied fruit intake; appetite, other foods, and individual health needs help determine what works.

Are bananas a good snack before a workout?

Yes, a banana can be a convenient pre-workout snack because its carbohydrates provide readily available fuel. Eat it early enough to feel comfortable during exercise, especially if you are sensitive to food close to activity.

Do bananas help you sleep?

A banana can be an evening snack, but it is not a proven sleep aid. There is no strong evidence that eating one reliably improves sleep; choose a timing that does not leave you uncomfortably full.

Banana (medium) Vitamins & Minerals

Vitamins

B6

0.43mg · 25% DV

Vitamin C

10.27mg · 11% DV

B5

0.39mg · 8% DV

B2

0.09mg · 7% DV

Minerals

Manganese

0.32mg · 14% DV

Potassium ⭐

422mg · 12% DV

Copper

0.09mg · 10% DV

Magnesium

32mg · 8% DV

Sodium

1.18mg · 0% DV

Banana (medium) Glycemic Index

GLYCEMIC INDEX

51
Medium
0 Low5570100

GLYCEMIC LOAD

14.2
Medium

Accounts for portion size — a more realistic measure than GI alone.

How to Burn Off Banana (medium)

To burn the 105 calories in 1 piece (medium) (118 g):

🚶

26min

Walking (5 km/h)

🏃

11min

Running (8 km/h)

🚴

14min

Cycling

🏊

12min

Swimming

Times are calculated with the MET equation for a 70 kg adult. Actual burn varies with your weight, age and pace.

What is Banana (medium)?

A medium banana is the ripe fruit of a tropical plant, eaten fresh after peeling. Its soft, creamy texture and sweet flavour make it an easy snack, and it is also commonly sliced into cereal or porridge, blended into smoothies, or used in baking. In many parts of the world, bananas are a familiar breakfast and lunchbox staple; they are widely available year-round in English-speaking markets.

Bananas provide carbohydrate for energy, along with fibre and potassium; a medium one has about 89 calories. For a more filling snack, pair it with yoghurt or nut butter, or add slices to oats. Use a ripe banana to sweeten smoothies or baking without needing much added sugar.

How Nutritious Is Banana (medium)?

Nutrient density

High

65/ 100

How many vitamins, minerals and how much fiber this food carries per calorie. A high score means a lot of nutrition for few calories.

Satiety score

Medium

46/ 100

An EatBetter score computed from fiber, protein and calorie density. A high score means staying full longer on the same calories.

Both scores are calculated per 100 g and do not change with the selected portion. The satiety score is EatBetter's own calculation, not a clinical measure.

Is Banana (medium) Processed?

NOVA 1

Unprocessed

1. Unprocessed

2. Minimally Processed

3. Processed

4. Ultra-Processed

NOVA classifies foods into 4 groups by industrial processing. NOVA 1 (unprocessed) is the healthiest.

Does Banana (medium) Contain Allergens?

No known major allergens

Gluten free
Dairy free
Eggs free
Peanuts free
Tree nuts free
Fish free
Soy free
Sesame free

Which Diets Is Banana (medium) Good For?

Vegan

✓ Suitable

Vegetarian

✓ Suitable

Gluten-Free

✓ Suitable

Dairy-Free

— Not suitable

Mediterranean

✓ Suitable

Paleo

✓ Suitable

Whole30

— Not suitable

DASH

— Not suitable

Keto

— Not suitable

Low FODMAP

— Not suitable

Banana (medium) Fat Profile

SATURATED

0.13g

MONOUNSATURATED

0.04g

POLYUNSATURATED

0.08g

Compare Banana (medium)

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→
🍌vs🥑
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🍌vs🍑
Banana (medium) vs Peach50 kcal more per 100 g
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🍌vs🍇
Banana (medium) vs Dried Raisins210 kcal fewer per 100 g
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Foods Similar to Banana (medium)

🍓

Strawberry

32 kcal

🥑

Avocado

160 kcal

🍑

Peach

39 kcal

🍇

Dried Raisins

299 kcal

🍎

Apple

52 kcal

🍇

Grapes

69 kcal

🍉

Watermelon

30 kcal

🍍

Pineapple

50 kcal

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Nutrition data compiled from USDA FoodData Central and scientific sources.