A single large hard‑boiled egg has about 77 calories (roughly 70–80 calories depending on size).

Quick Scoop

  • Small egg: about 55–60 calories.
  • Medium egg: about 65–70 calories.
  • Large egg: about 70–80 calories (often given as ~77 calories).
  • Per 100 g boiled egg: about 150–155 calories.

Most of the calories come from the yolk, which also carries most of the vitamins, minerals, and healthy fats.

Mini breakdown for one large hard‑boiled egg

Typical values for one large boiled egg:

  • Calories: ~77 kcal
  • Protein: ~6.3 g
  • Fat: ~5.3 g (about 1.6 g saturated)
  • Carbs: ~0.5–0.6 g

Because a boiled egg is low in calories but rich in protein and micronutrients, it’s often used in weight‑loss and high‑protein diets.

TL;DR: If you’re logging your food, count about 75–80 calories per large boiled egg and you’ll be very close.

Information gathered from public forums or data available on the internet and portrayed here.