What is the caloric content of fat?

Fat provides a caloric content of 9 kilocalories per gram. This value is significant in understanding energy balance and nutrition. Fats are dense sources of energy, and their higher caloric content compared to carbohydrates and proteins (which provide 4 kcal/g) makes them an essential component of the diet, particularly for individuals with higher energy needs, such as those engaging in intense physical activity.

The body uses fat for various functions, including hormone production, brain health, and as a long-term energy source. Given that fat is more calorically dense, it plays a critical role in fueling prolonged physical activity and supporting overall energy reserves. Understanding the caloric content of different macronutrients helps in formulating balanced diets for athletic performance and general health.