BMR Calculator
Find your basal metabolic rate — calories burned at rest.
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BMR Calculator
Estimate your basal metabolic rate — the calories your body burns at complete rest.
kg
cm
years
Basal metabolic rate (BMR)
kcal / day
Weight
Height
Enter your details and press Calculate.
How BMR is calculated
Your Basal Metabolic Rate (BMR) is the number of calories your body burns at complete rest just to stay alive. This tool uses the Mifflin-St Jeor equation:
Men: BMR = 10×weight + 6.25×height − 5×age + 5
Women: BMR = 10×weight + 6.25×height − 5×age − 161
Women: BMR = 10×weight + 6.25×height − 5×age − 161
To find your total daily needs, multiply BMR by an activity factor. For example, a 30-year-old, 70 kg, 175 cm moderately active man has a BMR of about 1,688 kcal/day.