Calorie calculators act like a daily budget for your body's energy. They consider your age, weight, height, and activity level to estimate how much energy (calories) you burn each day. Then, they factor in your goals (weight loss, muscle gain, or maintenance) to adjust this budget. They can act as either a weight loss calorie calculator or a calorie calculator for weight gain. For example, if you're aiming for weight loss, the calculator might recommend a slight calorie deficit, meaning you burn more calories than you consume.
Macro calculators take things a step further. They not only estimate your daily calorie needs, but also suggest how to divide that budget among protein, carbs, and fat. This can be particularly helpful if you're looking to build muscle or lose weight.
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