⚙️ Your details
📊 Your results
Enter your details and click Calculate to see your basal metabolic rate.
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calories burned at rest per day
Formula comparison
Mifflin-St Jeor
Most accurate for general population
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Harris-Benedict (revised)
Widely used, slightly higher estimate
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Katch-McArdle
Best if you know your body fat %
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Calories burned per hour
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Calories burned per week (rest)
💡 BMR is your resting baseline. To find your total daily calories including activity, use the TDEE Calculator →
Primary formula: Mifflin-St Jeor (1990). Men: (10×kg) + (6.25×cm) − (5×age) + 5. Women: (10×kg) + (6.25×cm) − (5×age) − 161. Considered the most accurate BMR formula for the general population per Academy of Nutrition and Dietetics.