Calorie Calculator
Daily calorie needs based on age, weight, and activity
How This Calculator Works
Uses the Mifflin-St Jeor equation to calculate Basal Metabolic Rate (BMR), then multiplies by an activity factor. For men: BMR = 10×weight(kg) + 6.25×height(cm) - 5×age - 161 (women) or +5 (men).
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