There are approximately 74 calories in a large egg. There are also 4.97 grams of fat, less than 1 gram of carbohydrates and 6.29 grams of protein.
The caloric content of a large egg changes when it is cooked. For instance, a large hard-boiled egg contains 78 calories. A fried egg without any added fat also contains 78 calories. However, for a large egg cooked in a small amount of oil, the calorie content jumps up to 92 calories. For one large scrambled egg with 1 teaspoon of milk and 1 teaspoon of oil, the caloric content reaches 123 calories.