Calories and Protein in Egg
Nutrition data for egg, whole, hard-boiled.
Quick answer: 1 large egg (50 g) has about 78 calories, 6.3 g of protein, 5.3 g of fat and 0.6 g of carbohydrate. Per 100 g it has 155 calories and 13 g of protein. These figures are for egg that is whole, hard-boiled.
- 78calories
- 6.3 gprotein
- 5.3 gfat
- 0.6 gcarbs
per 1 large egg (50 g)
Serving sizes for egg
| Serving | Weight | Calories | Protein | Fat | Carbs |
|---|---|---|---|---|---|
| 100 grams | 100 g (3.5 oz) | 155 | 13 g | 11 g | 1.1 g |
| 1 large egg | 50 g (1.8 oz) | 78 | 6.3 g | 5.3 g | 0.6 g |
| 1 cup, chopped | 136 g (4.8 oz) | 211 | 17 g | 14 g | 1.5 g |
USDA lists a large egg at 50 g. A cup of chopped hard-boiled egg is about 136 g.
Full nutrition facts
| Nutrient | Per 100 g | Per 1 large egg (50 g) | % Daily Value* |
|---|---|---|---|
| Calories | 155 | 78 | |
| Total fat | 11 g | 5.3 g | 7% |
| Saturated fat | 3.3 g | 1.6 g | 8% |
| Cholesterol | 373 mg | 187 mg | 62% |
| Sodium | 124 mg | 62 mg | 3% |
| Total carbohydrate | 1.1 g | 0.6 g | 0% |
| Total sugars | 1.1 g | 0.6 g | |
| Protein | 13 g | 6.3 g | 13% |
| Potassium | 126 mg | 63 mg | 1% |
| Calcium | 50 mg | 25 mg | 2% |
| Iron | 1.2 mg | 0.6 mg | 3% |
| Magnesium | 10 mg | 5 mg | 1% |
*Percent Daily Value uses the FDA reference amounts for a 2,000 calorie diet and is calculated for 1 large egg (50 g). Source: USDA FoodData Central, record 173424 (Egg, whole, cooked, hard-boiled).
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About egg nutrition
A hard-boiled egg is a simple, portable source of protein, and the yolk holds most of its fat and cholesterol. These figures are for a whole cooked egg with nothing added.
- Protein: 6.3 g in 1 large egg, about 13 percent of the Daily Value.
How preparation changes the numbers
- Frying an egg in butter or oil, or scrambling with milk and butter, adds calories that are not in these figures.
- FoodSafety.gov advises cooking eggs until the yolk and white are firm, and egg dishes to 160°F.
How egg compares
Per 100 g, egg ranks #9 of 30 foods on this site for protein and #22 for fewest calories.
Protein per 100 g
Calories per 100 g
Recipes with egg
Questions about egg
78 calories in 1 large egg (50 g), or 155 calories per 100 g. These figures are for egg that is whole, hard-boiled.
6.3 g of protein in 1 large egg (50 g), or 13 g per 100 g. Protein makes up about 32 percent of its calories.
About 78 calories.
About 6.3 g of protein in a large hard-boiled egg (50 g).
USDA lists about 187 mg of cholesterol in a large hard-boiled egg.
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Sources and method
Nutrient values come from USDA FoodData Central (SR Legacy), record 173424: Egg, whole, cooked, hard-boiled, retrieved 2026-09-30. Serving weights are USDA household measures, or a simple fraction of one. Brands, growing conditions and cooking method change real-world numbers, so treat every figure as a good estimate. Written and reviewed by Claudio; read how we develop and check our numbers.
