how many grams of sugar does a banana have
- Â½ cup sliced bananas: 15 grams effective (net) carbohydrate, 2 grams fiber, 9 grams of sugar, and 67 calories. 1 medium banana (7 inches to 7Â¾ inches long): 27 grams effective (net) carbohydrate, 3.1 grams fiber, 14 grams of sugar, and 105 calories.