Calories & Weight Loss

The brain typically uses about 300–420 calories per day (around 20% of adult resting energy), varying with body size and age.

An adult brain uses roughly 300–420 calories per day at rest—about 20% of basal energy needs.

A standard 110 g bran muffin lands near 290–330 calories; larger bakery muffins often pass 400 calories.

One Brazil nut (about 5 g) has around 33 calories; one ounce (about 6 kernels) has about 187 calories.

One standard 50 g bread roll lands around 130–150 calories, while a small 28 g dinner roll sits near 75–90 calories.

One bread slice usually has 60–110 calories: thin white sits near 70, while hearty whole-grain or seeded cuts often reach about 100.

One plain soft breadstick is about 120–150 calories; thin grissini average 20–40; cheesy or butter-brushed sticks can top 200.

A McDonald’s Sausage Burrito has about 310 calories; a two-burrito order lands near 620, before sides or drinks.

Ten Buffalo Wild Wings range from about 670–1,010 calories depending on style and sauce, before sides or dressings.

Ten regular-cut oven-baked fries pack about 111 calories; the same 10 fast-food fries usually land in the 70–120 calorie range.