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BMR Calculator
Calculate your Basal Metabolic Rate and daily calorie needs with precision using multiple proven formulas
Calculate Your BMR
Enter your details to calculate your Basal Metabolic Rate
Years
Required for Katch-McArdle formula
Results
Basal Metabolic Rate (BMR)
Calories burned at rest per day
Total Daily Energy Expenditure (TDEE)
Total calories needed per day including activity
Calorie Goals
Weight Loss (0.5 kg/week)
Weight Loss (1 kg/week)
Maintain Weight
Weight Gain (0.5 kg/week)
Weight Gain (1 kg/week)
Ready to Calculate
Enter your details and click Calculate to see your BMR results
What is BMR?
Basal Metabolic Rate (BMR) is the number of calories your body needs to maintain basic physiological functions while at rest. This includes breathing, circulation, cell production, and basic brain function.
BMR Formulas
Mifflin-St Jeor: Most accurate for general population
Harris-Benedict: Traditional formula, slightly less accurate
Katch-McArdle: Best for those who know their body fat percentage
Using Your Results
Your TDEE shows total daily calorie needs including activity. Use this to set realistic calorie goals for weight loss, maintenance, or gain. A safe weight loss rate is 0.5-1 kg per week.