Food calories · USDA data
Calories in a banana
105 calories
in 1 medium (7" to 7-7/8" long), 118 g
- Protein
- 1.3 g
- Carbs
- 27 g
- Fat
- 0.4 g
- Fiber
- 3.1 g
A banana has 105 calories. That is USDA's figure for 1 medium (7" to 7-7/8" long), which weighs 118 g. Per 100 g, banana has 89 calories.
Almost all of its calories, 93%, come from carbohydrate. This portion has 3.1 g of fiber, 11% of the 28 g Daily Value.
It takes 112 g of banana to reach 100 calories, about the same as 1 medium (7" to 7-7/8" long).
Calories by portion
| Portion | Weight | Calories | Protein | Carbs | Fat |
|---|---|---|---|---|---|
| 1 medium (7" to 7-7/8" long) | 118 g | 105 | 1.3 g | 27 g | 0.4 g |
| 1 cup, mashed | 225 g | 200 | 2.5 g | 51.4 g | 0.7 g |
| 1 cup, sliced | 150 g | 134 | 1.6 g | 34.3 g | 0.5 g |
| 1 extra small (less than 6" long) | 81 g | 72 | 0.9 g | 18.5 g | 0.3 g |
| 1 small (6" to 6-7/8" long) | 101 g | 90 | 1.1 g | 23.1 g | 0.3 g |
| 1 oz | 28.3 g | 25 | 0.3 g | 6.5 g | 0.1 g |
| 100 g | 100 g | 89 | 1.1 g | 22.8 g | 0.3 g |
Portion weights are USDA's own. Your banana may weigh more or less; for an exact number, weigh it and enter the grams in the food calorie lookup.
Where the calories come from
- Protein: 4% of calories (1.1 g per 100 g)
- Carbohydrate: 93% (22.8 g per 100 g, of which 2.6 g fiber)
- Fat: 3% (0.3 g per 100 g)
Shares use the general factors of 4 calories per gram of protein and carbohydrate and 9 per gram of fat, so they can differ a little from USDA's calorie figure. Daily Values are the FDA's adult Daily Values.
Compared with similar foods
Weight for weight, grapes has the fewest calories of these four (69 per 100 g) and banana the most (89).
| Per 100 g | Calories | Protein | Carbs | Fat |
|---|---|---|---|---|
| Banana | 89 | 1.1 g | 22.8 g | 0.3 g |
| Pomegranate | 83 | 1.7 g | 18.7 g | 1.2 g |
| Figs | 74 | 0.8 g | 19.2 g | 0.3 g |
| Grapes | 69 | 0.7 g | 18.1 g | 0.2 g |
Work out your own portion
The food calorie lookup has 3,070 foods. Pick a portion or type a weight in grams or ounces, then add foods to a plate to see the total for a meal. To see how a meal fits your day, the calorie calculator works out your daily calories.
Questions people ask
How many calories is in a banana?
A banana has 105 calories. USDA weighs 1 medium (7" to 7-7/8" long) at 118 g, and banana has 89 calories per 100 g.
How much protein does a banana have?
1 medium (7" to 7-7/8" long) (118 g) has 1.3 g of protein, 3% of the 50 g Daily Value. Per 100 g it is 1.1 g.
How many carbs does a banana have?
1 medium (7" to 7-7/8" long) has 27 g of carbohydrate, including 3.1 g of fiber, and 0.4 g of fat.
Source: USDA FoodData Central, SR Legacy (2018). USDA entry: Bananas, raw (FDC ID 173944). Values are averages; a packaged food's label may differ.