There are 74 calories in 1 large Egg . Get full nutrition facts and other common serving sizes of Egg including 1 small and 1 medium. Calories , fat, protein, and carbohydrate values for for Egg and other related foods. 1 large egg (Whole, fresh eggs) contains 72 Calories . The macronutrient breakdown is 2% carbs, 62% fat, and 36% protein. This has a relatively low calorie density, with 143 Calories per 100g.