How many calories in an egg white?

About 17 calories for the white of a large egg, with ~3.6g of protein and zero fat. The yolk holds the remaining ~55 calories, most of the fat, and most of the micronutrients.

Are eggs good for weight loss?

Yes. At ~72 calories with 6g of high-quality protein, eggs are filling per calorie. Studies show a protein-rich breakfast like eggs increases satiety and can reduce later calorie intake. The cooking fat, not the egg, is usually what adds up.

Calories in an Egg: Whole, White, and Yolk

A large egg has about 72 calories, with 6.3g of protein and 4.8g of fat (USDA FoodData Central). Eggs are one of the most efficient whole-food proteins — complete amino acid profile, highly satiating, and cheap. The calories you log usually come down to two things: egg size and how you cook it.

Calories in an egg by size

Size	Weight	Calories	Protein	Fat
Medium	44g	~63	5.5g	4.2g
Large	50g	~72	6.3g	4.8g
Extra-large	56g	~80	7.0g	5.3g
Per 100g	100g	~143	12.6g	9.5g

White vs yolk (large egg)

White: ~17 cal, 3.6g protein, 0g fat
Yolk: ~55 cal, 2.7g protein, 4.5g fat — plus most of the vitamins, choline, and minerals

Egg-white-only is the move when you want maximum protein for minimum calories. But the yolk carries the nutrition, and decades of research have cleared dietary cholesterol from eggs as a concern for most people — so whole eggs are fine for the majority.

The real calorie variable: cooking

A boiled egg stays at ~72 calories. Fried in a tablespoon of oil or butter, it can nearly double — the added fat (9 cal/g) often outweighs the egg itself. Scrambled with cream and cheese climbs further. What you cook the egg in usually matters more than the egg.

Eggs make hitting a protein target easy — set yours with the protein calculator. And because cooking fat is the hidden variable, photographing the finished dish captures the oil you’d otherwise forget to log.

Frequently asked questions

How many calories in one egg?: A large egg (50g) has about 72 calories, with 6.3g of protein and 4.8g of fat (USDA FoodData Central). Medium eggs are ~63 calories; extra-large ~80.
How many calories in an egg white?: About 17 calories for the white of a large egg, with ~3.6g of protein and zero fat. The yolk holds the remaining ~55 calories, most of the fat, and most of the micronutrients.
Are eggs good for weight loss?: Yes. At ~72 calories with 6g of high-quality protein, eggs are filling per calorie. Studies show a protein-rich breakfast like eggs increases satiety and can reduce later calorie intake. The cooking fat, not the egg, is usually what adds up.