How Many Calories Are in an Egg?
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Other tools you may find usefulEgg as a superfood - nutrients and reference protein
Chicken egg is one of the most biologically valuable food products available in the human diet. Due to the richness of vitamins, minerals and fatty acids, eggs are classified as so-called *superfoods*. The protein present in a chicken egg contains a complete set of exogenous amino acids (which the human body cannot synthesize on its own) in ideal proportions, which is why the World Health Organization (WHO) has adopted it as a **reference protein** for assessing the nutritional value of other protein products. Eggs are a rich source of B vitamins (especially B12 and choline that support brain function), vitamins A, D, E and minerals such as iron, phosphorus, selenium and zinc.
Our live dietary calorie calculator allows you to precisely check the calorie content of chicken eggs depending on their size (sizes S, M, L) and the selected preparation method (hard-boiled, soft, scrambled eggs in butter or omelette).
What does the calorie content of an egg depend on?
An average chicken egg weighs about 50-60 grams. It is worth remembering that the calorie content of an egg varies depending on the proportion of yolk to egg white:
- Egg white:It is low in calories. 100g of protein contains only about 50 kcal. It consists mainly of water (88%) and pure protein (albumin).
- Egg yolk:It is much higher in calories. There are approximately 320 kcal in 100g of egg yolk. It contains valuable fats (including omega-3 and omega-6 acids), phospholipids (lecithin) and cholesterol.
Therefore, most of the calories from the whole egg (about 75-80%) are accumulated in the yolk.
Table of egg calories depending on the method of thermal treatment
The table below shows the energy value and macronutrients of one medium egg (size M, weight approx. 53g) prepared in various ways:
| Method of preparation / Egg form | Energy value (kcal) | Protein (g) | Fats (g) | Carbohydrates (g) | Effect of additives on caloric value |
|---|---|---|---|---|---|
| Raw egg (whole) | 75 kcal | 6.5 g | 5.2 g | 0.3 g | Starting value for a class M egg. |
| Soft-boiled egg | 76 kcal | 6.5 g | 5.2 g | 0.3 g | No added fat; easily digestible. |
| Hard-boiled egg | 76 kcal | 6.5 g | 5.2 g | 0.3 g | Long cooking does not change the caloric value. |
| Fried egg (per 5g of butter) | 115 kcal | 6.5 g | 9.5 g | 0.3 g | The addition of 1 teaspoon of butter increases the caloric value by approximately 40 kcal. |
| Scrambled eggs with 2 eggs (per 10g of butter) | 230 kcal | 13.0 g | 19.0 g | 0.6 g | Butter adds approximately 80 kcal to the total balance. |
Frequently Asked Questions (FAQ)
Exactly how many calories are in one medium egg?
One medium chicken egg (class M, weight approx. 53g) has approximately 75-78 kilocalories (kcal).
How much protein is in one egg?
One medium egg contains approximately 6.2 to 6.8 grams of complete protein.
Do hard-boiled eggs have more calories than soft-boiled ones?
No. The process of cooking in water itself (both soft and hard) does not add any calories to the egg. However, a soft-boiled egg is easier for the digestive system to digest.
Is egg yolk unhealthy because of cholesterol?
Modern dietary research confirms that dietary cholesterol (e.g. from eggs) has little effect on blood cholesterol levels in most healthy people. A healthy person can safely consume 1-2 eggs a day.
What is choline and why is it important in eggs?
Choline (vitamin B4) is a compound abundant in egg yolk. It is necessary for the construction of cell membranes, supports the proper functioning of the brain, memory and nervous system, and also plays a key role in the development of the fetus in pregnant women.