“How many calories should I eat to lose weight?” sounds like a question that should have a simple number as an answer. It doesn't. Daily energy needs vary according to factors such as age, sex, body size, metabolism, and physical activity. Two people can therefore have very different calorie needs even if their current weight is similar. A more useful approach is to estimate how much energy your body uses each day and then create an appropriate calorie deficit. How Calories R

BMR and TDEE are two numbers you will often see in calorie calculators, fitness apps, and weight-management plans. They are related, but they do not mean the same thing. BMR describes the energy your body uses under basal resting conditions. TDEE describes the total amount of energy you use across an entire day. If your goal is weight loss, TDEE is generally the more useful starting point because it accounts for your overall daily energy expenditure rather than your resting n