Banana Calories & Nutrition Facts
Rich in potassium and B6, ideal pre-workout fuel and natural energy source.
Quick answer
How many calories are in Banana?
Banana has 89 calories per 100g. A 1 medium banana (118g) has about 105 calories. It is a low-calorie food, with most calories coming from carbs.
Source review
Banana Source Review: USDA Raw 100g and Medium Banana Calories
Reviewed May 22, 2026. This page uses the USDA raw banana 100g reference for calorie and macro math, then scales common peeled banana sizes such as medium, half medium, large and extra-large.
- USDA FoodData Central lists raw banana at 89 kcal, 22.84g carbohydrate, 1.09g protein, 0.33g fat, 2.6g fiber, 12.23g sugars and 358mg potassium per 100g edible portion.
- A medium banana is commonly tracked as about 118g edible portion, which scales to roughly 105 calories, 27g carbs, 3.1g fiber and 422mg potassium.
- Harvard Nutrition Source summarizes bananas as a source of vitamin B6, fiber, potassium, magnesium, vitamin C and manganese, with ripe banana GI around 51 and slightly underripe banana GI around 42.
- Ripeness mostly changes starch and sugar structure, not total calories at the same edible gram weight.
Practical Portion Guide for Banana
| Portion | Calories | Protein | Carbs | Net carbs | Fat |
|---|---|---|---|---|---|
| 1 medium banana (118g) | 105 kcal | 1.3g | 27.1g | 24.1g | 0.4g |
| 1/2 medium banana (59g) | 53 kcal | 0.6g | 13.6g | 12.0g | 0.2g |
| 1 large banana (136g) | 121 kcal | 1.5g | 31.3g | 27.7g | 0.4g |
| 100g USDA reference | 89 kcal | 1.1g | 23.0g | 20.4g | 0.3g |
Count only the edible peeled portion. A medium banana is about 118g, but large bananas can be 136g or more and add 15-30 calories.
Serving Size Calculator
Macros Breakdown (per 100g)
Diet Suitability
Glycemic Index: 51 (Low)
How Banana Fits Into a Diet
Banana works best as a portable carbohydrate snack, breakfast add-in, or pre-workout food when you want a predictable 105-calorie medium fruit.
Pair banana with Greek yogurt, cottage cheese, eggs, whey protein, peanut butter, or nuts when you want more protein or slower digestion.
The banana database page uses the USDA raw banana 100g reference. For the exact medium-banana table and gram calculator, use the dedicated banana calories guide linked below.
Plan Around Banana
1 Medium Banana Calories
See the exact 105-calorie medium banana table with carbs, fiber, sugar, potassium and USDA 100g data.
Calorie Deficit Calculator
Fit fruit portions like Banana into a daily calorie target.
Macro Calculator
Plan carbohydrates, protein, and fat around fruit servings and meals.
Calorie Calculator
Calculate your daily intake target before choosing serving sizes.
Compare Banana With Similar Fruits
Use this comparison when choosing a serving. Calories alone do not tell the full story: protein, fiber, fat, sodium, and realistic portion size determine whether a food fits your plan.
| Food | Calories | Protein | Carbs | Fat | Fiber |
|---|---|---|---|---|---|
| Banana | 89 kcal | 1.1g | 23g | 0.3g | 2.6g |
| Apple | 52 kcal | 0.3g | 14g | 0.2g | 2.4g |
| Orange | 47 kcal | 0.9g | 12g | 0.1g | 2.4g |
| Mango | 60 kcal | 0.8g | 15g | 0.4g | 1.6g |
| Strawberry | 32 kcal | 0.7g | 7.7g | 0.3g | 2g |
| Blueberry | 57 kcal | 0.7g | 14g | 0.3g | 2.4g |
All comparison values use each food's 100-unit reference so foods can be compared on the same basis.
Vitamins & Minerals
Vitamins
Minerals
Complete Nutrition Facts (per 100g)
Methodology & Nutrition Data Sources
How we calculate nutrition data for Banana: Our calorie and macronutrient data integrates multiple authoritative federal nutrition databases. Values shown reflect standard serving sizes unless specified, based on USDA laboratory analysis of raw and prepared food samples.
- Calorie and macronutrient data sourced from the USDA FoodData Central — the comprehensive federal nutrition database covering 1M+ food items with full nutrient profiles.
- Daily Value percentages (% DV) based on FDA Daily Value reference amounts for a 2,000 calorie diet, as established under 21 CFR 101.9.
- Dietary reference intakes (DRI) for vitamins and minerals from the NIH Dietary Reference Intake tables — the gold standard for nutrient adequacy assessment.
- Glycemic index values cross-referenced with Harvard Health Glycemic Index Reference and University of Sydney GI database.
- Dietary guidelines context from the HHS/USDA Dietary Guidelines for Americans 2020–2025 — the federal evidence-based nutrition guidance.
Authoritative nutrition data sources:
- USDA FoodData Central — comprehensive food composition database
- FDA Nutrition Facts Label rules — % Daily Value methodology
- NIH Office of Dietary Supplements — vitamin and mineral research
- CDC Nutrition — Public Health Guidance — chronic disease and diet
- HHS/USDA Dietary Guidelines 2020–2025 — federal nutrition recommendations
- Harvard T.H. Chan School of Public Health — The Nutrition Source — evidence-based dietary guidance
Nutrition Disclaimer: Calorie and nutrient values are based on standard USDA reference data and may vary by brand, preparation method, ripeness, and cooking technique. These values are for informational purposes only and should not replace personalized dietary advice from a registered dietitian. Individuals with medical conditions should consult a healthcare provider before making significant dietary changes.
Reviewed by Brazora Monk · Last updated May 22, 2026 · USDA FoodData Central & FDA Nutrition data current as of latest release
Track Your Nutrition
Use our free calorie calculator to find out exactly how many calories you need per day.
Frequently Asked Questions
How many calories are in Banana?
Banana contains 89 calories per 100g serving. This includes 4 calories from protein, 92 calories from carbohydrates, and 3 calories from fat.
Is Banana good for weight loss?
Yes, Banana is excellent for weight loss with only 89 calories per 100g. It is low in calories and can help you feel satisfied while maintaining a calorie deficit.
How much protein is in Banana?
Banana contains 1.1g of protein per 100g. This is a relatively low protein food; consider pairing it with higher protein sources.
What serving size should I track for Banana?
Track Banana by grams when precision matters. A practical starting point is 1 medium banana (118g), which is about 105 calories. For packaged, restaurant, fried, sauced, or sweetened versions, use the product label because brand formulas can differ from the plain reference.
Is Banana keto-friendly?
Banana is not ideal for strict keto diets due to its 23g of carbohydrates per 100g. Small portions may fit if your daily carb limit allows.
Is Banana good for diabetics?
People with diabetes should exercise caution with Banana, which has a glycemic index of 51. Its carbohydrate content may affect blood sugar levels. Consult your healthcare provider.
What vitamins and minerals are in Banana?
Banana is a good source of vitamins B6, C, B2 and minerals including Potassium, Magnesium, Manganese. These nutrients support various bodily functions from energy metabolism to immune health.
Where does Calorique get nutrition data for Banana?
Calorique standardizes Banana nutrition values per 100g using USDA FoodData Central reference fields where available, then scales the data into realistic serving sizes. FDA Nutrition Facts methodology and authoritative nutrition references are used for context. This page was last reviewed May 22, 2026.
Related Calculators
Apple
52 cal · 0.3g protein per 100g
Orange
47 cal · 0.9g protein per 100g
Mango
60 cal · 0.8g protein per 100g
Strawberry
32 cal · 0.7g protein per 100g
Blueberry
57 cal · 0.7g protein per 100g
Grapes (Red)
69 cal · 0.7g protein per 100g
Pineapple
50 cal · 0.5g protein per 100g
Watermelon
30 cal · 0.6g protein per 100g