How many calories are in one whole banana?
                                
                                
                                •
                                
                                
                        
                                    
                                    4 min read                                
                            
                                According to Healthline, a medium-sized banana contains approximately 105 calories, but the exact number of calories in one whole banana can vary significantly based on its size. This comprehensive guide explores the specific calorie counts for various banana sizes and provides key nutritional insights.