If you want to lose weight, you need to understand your daily energy expenditure. Your TDEE is your average daily calorie burn, and it's based on your age, height, weight, and physical activity level. Once you know your TDEE, you can calculate how many calories you need to eat every day to lose weight.
Your Calculated TDEE
Total Daily Energy Expenditure (TDEE)
Basal Metabolic Rate (BMR)