Calories in 1 Egg

1 egg (50 g) has 72 calories. That is 4% of a 2,000 calorie diet.

The calories come from 6.2 g of protein, 5 g of fat and 0.5 g of carbohydrates, a split of 35% protein, 63% fat and 3% carbs. For comparison, 2 eggs has 143 calories. Burning 72 calories takes about 13 minutes of brisk walking or 6 minutes of running for a 155 lb adult, based on Harvard Health Publishing activity estimates.