How many calories does unsaturated fat provide: 9 calories per gram
                                
                                
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                                    4 min read                                
                            
                                Every gram of fat, including unsaturated fat, provides 9 calories, making it the most energy-dense macronutrient. This fact is foundational to understanding nutrition, especially for those managing their weight or tracking their dietary intake. While the health effects of different fats vary, their caloric value remains constant.