Calories in Banana

105kcal per 1 medium banana (118 g)

89 kcal per 100 g · about 5% of a 2,000-kcal day

Bananas are a quick source of easily digested carbs, which makes them a favorite pre-workout snack. Most of the sugar is balanced by fiber and potassium.

Banana nutrition facts

NutrientPer 100 gPer 1 medium banana
Calories89 kcal105 kcal
Protein1.1 g1.3 g
Carbs22.8 g26.9 g
Fat0.3 g0.4 g
Fiber2.6 g3.1 g
Sugar12.2 g14.4 g

Where the calories come from

Banana calories by serving size

ServingCaloriesProteinCarbsFat
1 oz (28 g)25 kcal0.3 g6.5 g0.1 g
50 g45 kcal0.6 g11.4 g0.2 g
100 g89 kcal1.1 g22.8 g0.3 g
1 medium banana (118 g)105 kcal1.3 g26.9 g0.4 g
200 g178 kcal2.2 g45.6 g0.6 g
250 g223 kcal2.8 g57 g0.8 g

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Values based on USDA FoodData Central reference entries. Actual nutrition varies with variety, preparation, and portion. © 2026 NibbleCal.