A large egg contains about 72 calories. The calorie content of an egg can vary depending on the size of the egg. A medium egg contains about 64 calories and a small egg contains about 55 calories.
It's important to note that the calorie content of an egg increases when it is cooked in oil or butter. For example, a fried egg contains about 90 calories, and an egg cooked in butter contains about 100 calories.
Also, the calorie content of the egg yolk is higher than the egg white, an egg yolk contains about 55 calories, while the egg white contains about 17 calories.
