How Many Calories in an Egg – Guide by Size & Cooking Method

Eggs are one of the most common sources of protein in the human diet. They are inexpensive, versatile, and nutrient-rich. However, when you’re tracking your calorie intake, knowing exactly what you’re getting from an egg can make a significant difference in your daily totals. The question “how many calories in an egg?” has a straightforward answer, but it depends on the size of the egg and how it is cooked. This article provides a comprehensive breakdown of egg calories, based on data from leading health organisations.

How Many Calories Are in an Egg by Size?

Calories in a Large Egg

A large egg (50g) is the most commonly referenced size. According to Healthline and the British Egg Industry Council, one large egg contains roughly 72–78 calories. The yolk supplies about 55 of those calories; the white contributes only 17. This makes the large egg a compact, nutrient-dense food.

Calories in a Medium Egg

A medium egg (44g) typically contains around 63 calories. Data from Australian Eggs and egginfo.co.uk place medium eggs at 63–66 kcal. The proportional drop in calories comes from a slightly smaller yolk and white volume.

Calories in a Small vs Jumbo Egg

Small eggs (38g) weigh in at about 54 calories, while jumbo eggs (63g) reach up to 90 calories. The yolk remains the calorie-dense component across all sizes. If you are tracking calories precisely, weighing the egg without the shell gives the most accurate result, as raw egg weight with shell can vary.

How Many Calories in an Egg by Cooking Method?

Boiled Egg Calories

A large boiled egg contains 72–78 calories, identical to the raw egg because no extra fat is added. Poaching in water yields the same result – around 71–72 calories per large egg, according to Healthline and Australian Eggs.

Fried Egg Calories

The calorie count jumps when you fry an egg. A large egg fried in a teaspoon of oil contains about 90–95 calories. If you use butter or more oil, the total can reach 120–160 calories. The base egg itself remains the same; the added fat accounts for the increase.

Scrambled Egg Calories

Scrambled eggs vary even more. Two large eggs scrambled with a splash of milk and cooked without added fat contain roughly 170 calories (85 per egg). But if you cook them in butter, the total can climb to 200–245 calories for two eggs. The British Egg Industry Council notes that the butter or oil used in the pan is the main variable.

How Many Calories in Egg White vs Egg Yolk?

Calories and Protein in Egg White

The white of a large egg contains just 17 calories and 3.6 grams of protein. It has no fat and virtually no carbohydrates. This makes it a popular choice for those seeking a lean protein source. According to saudereggs.com, the egg white provides a “guilt-free, zero-fat” option.

Calories and Nutrients in Egg Yolk

The yolk is where most of the calories reside – about 55 calories per large yolk. It also holds nearly all the egg’s fat (4.5 grams) and a significant share of vitamins A, D, E, B12, and minerals like selenium. The yolk is nutrient-rich, but it is also the part that contributes the bulk of the egg’s 186 mg of cholesterol.

Protein Content in Whole Eggs

A whole large egg provides roughly 6.3 grams of complete protein. The protein is distributed between the white (3.6g) and the yolk (2.7g). Because eggs contain all essential amino acids, they are considered a high-quality protein source suitable for muscle repair and satiety.

How Many Calories in Multiple Eggs (2 Eggs, 3 Eggs)?

Calories in 2 Large Eggs

Two large eggs (boiled or poached) provide approximately 144 calories, 12.6 grams of protein, and 10 grams of fat. This makes them a convenient high-protein breakfast or snack that fits easily into a weight-management plan.

Eggs vs Avocado – Calorie Comparison

A medium avocado (about 150g) contains roughly 240 calories, mostly from healthy fats. That’s about three times the calories of a large egg. While both are nutrient-dense, eggs offer more protein per calorie, while avocado provides more fiber and monounsaturated fat.

How Has Our Understanding of Egg Calories Changed?

1. 2010 – USDA updates egg nutrition data; the large egg at 72 calories becomes the standard reference.
2. 2015 – U.S. Dietary Guidelines remove the upper limit on dietary cholesterol; egg consumption begins to rise.
3. 2021 – Healthline publishes a widely cited egg calorie article, reinforcing the 72–78 calorie range.
4. 2024 – Australian Eggs updates its nutrition data for metric-sized eggs, aligning with Food Standards Australia New Zealand.
5. 2025 – Mayo Clinic publishes a fresh review; searches for “how many calories in an egg” peak.

What Is Certain and Uncertain About Egg Calories?

Why Do Egg Calories Matter in Diet Planning?

Eggs are one of the most nutrient-dense foods available. At roughly 75 calories for 6 grams of protein, plus vitamins D, B12, and choline, they offer a high return on calorie investment. Despite past concerns about cholesterol, moderate egg intake – up to one egg per day for most people – is not linked to increased heart disease risk. For weight loss, whole eggs can increase satiety and help control appetite, while egg whites provide a very low-calorie protein option for those on strict calorie deficits. For more context on how vitamin D fits into a balanced diet, see our guide on What Is Vitamin D – Sources, Deficiency, Dosage.

What Do Trusted Sources Say About Egg Calories?

“One egg contains: 75 calories; 5 grams of fat; 6 grams of protein; 0 carbohydrates…”

– Mayo Clinic Health System (2025)

“A large egg has about 72 calories. Smaller eggs have slightly fewer calories, while larger eggs have more.”

– Healthline (2021)

“An average-size egg contains 74 calories, or 310 kJ.”

– Australian Eggs

How Can You Use This Information in Your Diet?

Eggs are versatile, affordable, and easy to incorporate into meals. Check your egg carton for the weight per egg to calculate exact calories. Use a food scale for accuracy when tracking. If you fry eggs, measure your oil or use a non-stick spray. For a balanced meal, pair eggs with vegetables and whole grains. The key takeaway: a large egg provides around 75 calories and 6 grams of protein – a simple, reliable fact for anyone planning their nutrition. If you are looking for more meal ideas, check out Places to Eat Near Me – Best Rated, Cheap and Open Now for inspiration.

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