HomeFree Calculators — Free Online Calculator ToolsBMR Calculator BMR Calculator ???? BMR Calculator Calculate your Basal Metabolic Rate Sex Male Female Age (years) Weight (kg) Height (cm) Activity Level Sedentary (little or no exercise) Lightly active (light exercise 1-3 days/week) Moderately active (moderate exercise 3-5 days/week) Very active (hard exercise 6-7 days/week) Extremely active (very hard exercise, physical job) Calculate BMR (Resting) calories/day at complete rest TDEE (With Activity) calories/day to maintain weight Calorie Targets by Goal Goal Daily Calories * BMR is calculated using the Mifflin-St Jeor equation, widely regarded as one of the most accurate formulas. This is an estimate for general informational purposes, not medical advice.