Energydense

Energydense, or energy-dense, describes foods or meals that contain a high amount of calories relative to their weight. It is typically expressed as kilocalories per gram (kcal/g) or kilojoules per gram (kJ/g). Energy density is calculated by dividing the total energy in a portion by the weight of that portion.

Foods with high fat content, added sugars, or low water content generally have higher energy density, while foods rich in water and fiber tend to be lower in energy density. A commonly cited threshold places high energy density above about 4 kcal/g, though exact cutoffs can vary by guideline. Because energy density focuses on weight rather than portion size alone, small portions of energy-dense foods can deliver many calories quickly.

Examples of energy-dense foods include fats and oils, nuts and seeds, chocolate and candy, fried foods, and many processed snacks. In contrast, most fruits, vegetables, legumes with high water content, and broth-based soups are comparatively lower in energy density.

In diet planning, energy density is used to manage calorie intake while supporting satiety. Strategies often include prioritizing lower energy-dense foods to increase volume without excessive calories, adding water-rich foods, increasing dietary fiber, and moderating high-fat or high-sugar ingredients. Clear labeling of energy density can help individuals compare options and make informed choices in meals and snacks. See also topics on portion control, nutrition labeling, and weight management.