Calculates basal metabolic rate and daily calorie needs.
The BMR calculator estimates the number of calories your body burns at complete rest (Basal Metabolic Rate) using the Mifflin-St Jeor equation, then multiplies by an activity factor to get your Total Daily Energy Expenditure (TDEE).
BMR (men) = 10×weight(kg) + 6.25×height(cm) − 5×age + 5 BMR (women) = 10×weight(kg) + 6.25×height(cm) − 5×age − 161 TDEE = BMR × Activity factor (1.2 sedentary … 1.9 very active)
Woman, 30 years, 65 kg, 168 cm. BMR = 10×65 + 6.25×168 − 5×30 − 161 = 650 + 1050 − 150 − 161 = 1,389 kcal. Lightly active (×1.375) → TDEE ≈ 1,910 kcal.
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