Nutrition calculators are digital tools designed to help individuals track and manage their daily dietary intake. They allow users to calculate calories, macronutrients like carbohydrates, proteins, and fats, as well as essential vitamins and minerals based on food choices. By entering meals, portion sizes, or personal health goals, nutrition calculators provide instant, personalized insights into eating habits. These tools are especially helpful for weight management, fitness planning, and maintaining a balanced diet. Whether used by athletes, health professionals, or everyday users, nutrition calculators simplify nutrition tracking and support informed food decisions for a healthier lifestyle.