BMR Calculator
Estimate basal metabolic rate and daily calorie needs by activity level.
Your details
How the bmr calculator works
w is weight in kg, h height in cm, a age in years and s is +5 for men or −161 for women. Multiply BMR by an activity factor to get total daily energy expenditure.
Formula
Mifflin-St Jeor: BMR = 10w + 6.25h − 5a + s
Worked example
A 30-year-old man, 72 kg and 175 cm, has a BMR near 1,680 kcal and a moderately active TDEE near 2,600 kcal.
Frequently asked questions
What is the difference between BMR and TDEE?
BMR is energy burned at complete rest. TDEE adds movement, digestion and exercise.
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