An omelette is a simple and nutritious meal that provides protein along with important vitamins and minerals. A standard two-egg omelette typically contains between 140 and 220 calories. Food Estimated Calories 2-egg omelette 140–220 calories Quick Comparison Breakfast Approx. Calories 2-Egg Omelette 180–220 kcal Fried Eggs (2) 180–200 kcal Butter Croissant 230–280 kcal Oatmeal 150–220…