How many calories are in an egg?

A large egg contains 72 calories. Medium eggs have 63 calories, extra large 80 calories. Per 100g, eggs are 143 calories. The yolk has 55 calories, the white only 17 calories.

How much protein is in an egg?

A large egg has 6.3g protein (12.6g per 100g). The white has 3.6g protein, the yolk 2.7g. Eggs provide complete protein with all essential amino acids, making them excellent for muscle building.

Are eggs good for weight loss?

Eggs are excellent for weight loss - high protein (12.6g/100g) promotes satiety for only 143 cal/100g. Studies show eating eggs for breakfast reduces overall daily calorie intake by 300-400 calories.

Are eggs keto-friendly?

Yes, eggs are perfect for keto with only 0.7g carbs per 100g (nearly zero). They're a staple keto food - high protein, moderate fat, virtually zero carbs. Eat freely on ketogenic diets.

Are eggs bad for cholesterol?

Eggs have 372mg cholesterol per 100g, but dietary cholesterol has less impact on blood cholesterol than once thought. For most healthy people, 1-3 eggs daily doesn't significantly raise heart disease risk.

Are egg whites healthier than whole eggs?

Egg whites are lower calorie (17 vs 72 per large egg) with no fat. However, yolks contain vitamins A, D, E, B12, choline, and selenium. Whole eggs are more nutritious; whites are better for strict calorie cutting.

What's the healthiest way to cook eggs?

Poached or boiled eggs are healthiest - no added fat (72 cal). Scrambled or fried in butter adds 15-20 calories. Avoid excessive oil/butter. Hard-boiled eggs are convenient and keep 1 week refrigerated.

Can diabetics eat eggs?

Yes, eggs are excellent for diabetics - virtually zero carbs (0.7g/100g) means no blood sugar impact. The protein and fat promote satiety. Studies show eggs can be part of a diabetes-friendly diet.

How long do eggs last?

Refrigerated eggs last 3-5 weeks past the pack date. Hard-boiled eggs keep 1 week refrigerated. Do the float test: fresh eggs sink, bad eggs float. Store in carton, not door shelf.

How many eggs can I eat per day?

1-3 eggs daily is safe for most healthy adults, providing protein and nutrients for 72-216 calories. Those with heart disease or high cholesterol should consult their doctor about appropriate limits.

All Foods

Calories in Egg

USDA Verified · FDC 171287 · Jan 2026

72 calories

per 1 large egg (50g)

12.6g

Protein

0.7g

Carbs

9.5g

Fat

Fiber

Per 100g raw

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Serving Sizes & Calories

Serving Size	Weight	Calories
1 medium egg	44g	63 cal
1 large eggStandard	50g	72 cal
1 extra large egg	56g	80 cal
1 jumbo egg	63g	90 cal
Egg white only (large)	33g	17 cal
Egg yolk only (large)	17g	55 cal