One large, hard-boiled egg contains approximately 77 calories.
Here's a more detailed breakdown of the nutritional content of one large, hard-boiled egg, according to a 2024 reference:
- Calories: 77
- Total Fat: 5.3 grams
- Saturated Fat: 1.6 grams
Therefore, if you're counting calories, you can safely estimate that a single, large, boiled egg contains around 77 calories.