How Many Calories In A Loaf Of White Bread. 40g medium slice (large loaf) 88. When you’re trying to calculate the calorie content of a loaf of bread, it’s important to take into account the type of bread and its ingredients.

1 medium slice white bread (about 40 g) 95: The number of calories in a loaf of bread can vary significantly depending on its size, type, and ingredients.