How many calories are in 55 g of red onion?
                                
                                
                                •
                                
                                
                        
                                    
                                    5 min read                                
                            
                                According to nutritional data, raw onions contain approximately 40 calories per 100g, making a 55 g serving a very low-calorie addition to meals. This vibrant vegetable is also rich in beneficial plant compounds like antioxidants, contributing significantly to overall health. Discover the precise nutritional breakdown for 55 g of red onion and its many advantages.