Calories in Egg

Data reviewed 2026-09-08 against USDA FoodData Central (SR Legacy).

A 100 g serving of egg has about 143 kcal, with 12.6 g of protein, 0.7 g of carbohydrate (0 g of that fibre) and 9.5 g of fat. The table below gives the full breakdown and the most common portion sizes.

Nutrition per 100 g

NutrientPer 100 g
Calories143 kcal
Protein12.6 g
Carbohydrate0.7 g
Fibre0 g
Sugars0.4 g
Fat9.5 g
Saturated fat3.1 g
Sodium142 mg
Cholesterol372 mg

Common portions

PortionWeightCalories
large50 g72 kcal
extra large56 g80 kcal
jumbo63 g90 kcal
cup (4.86 large eggs)243 g347 kcal
medium44 g63 kcal
small38 g54 kcal

Log egg in a recipe

To see how egg affects a whole dish, drop it into the recipe calorie calculator with the rest of your ingredients — it totals calories, protein, carbs and net carbs for the recipe, per serving and per 100 g. The methodology shows the exact arithmetic.

Frequently asked questions

How many calories are in egg?

About 143 kcal per 100 g. Portion calories depend on how much you use — see the portions table above for common amounts.

How much protein is in egg?

Egg has roughly 12.6 g of protein per 100 g.

Is egg keto-friendly?

Its net carbs are about 0.7 g per 100 g (total carbs 0.7 g minus 0 g fibre). Whether it fits your day depends on portion size and your carb target.

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