The Cool Truth: How many calories are in a piece of ice?
                                
                                
                                •
                                
                                
                        
                                    
                                    5 min read                                
                            
                                While a single calorie is defined as the energy needed to heat 1 gram of water by 1°C, the question 'how many calories are in a piece of ice?' has a straightforward answer: zero. Ice is simply the frozen form of water, which contains no macronutrients like carbohydrates, proteins, or fats that provide energy to the body.