BMR Calculator
Calculate your Basal Metabolic Rate (BMR) — the calories your body burns at rest.
Disclaimer: This result is an estimate for informational purposes only and is not medical advice.
Calculate
Enter your values below.
Result
BMR
0
Disclaimer: This result is an estimate for informational purposes only and is not medical advice.
Formula used
Mifflin-St Jeor equation — Men: 10×weight + 6.25×height − 5×age + 5. Women: 10×weight + 6.25×height − 5×age − 161.
Example: 70kg, 175cm, 30yo male → BMR ≈ 1,649 kcal/day.
How to use this calculator
- Enter Weight (kg), Height (cm), Age (years).
- Choose Sex.
- Press Calculate to see your result instantly.
FAQ
Frequently asked questions
What is BMR?
Basal Metabolic Rate — the number of calories your body burns at complete rest just to maintain basic functions.
Why is BMR different for men and women?
The formula accounts for typical differences in body composition between sexes.
Is the Mifflin-St Jeor equation accurate?
It's widely regarded as one of the more accurate BMR formulas for the general population, compared to older equations.
How do I find my total daily calorie needs?
Multiply your BMR by an activity factor — see the TDEE Calculator.